CN114137903B - Cutting control method and device for material to be cut, storage medium and electronic device - Google Patents
Cutting control method and device for material to be cut, storage medium and electronic device Download PDFInfo
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- CN114137903B CN114137903B CN202111437398.1A CN202111437398A CN114137903B CN 114137903 B CN114137903 B CN 114137903B CN 202111437398 A CN202111437398 A CN 202111437398A CN 114137903 B CN114137903 B CN 114137903B
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- 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
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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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
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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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
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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
- B23K26/38—Removing material by boring or cutting
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- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35349—Display part, programmed locus and tool path, traject, dynamic locus
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Abstract
The embodiment of the invention provides a cutting control method and device for a material to be cut, a storage medium and an electronic device, wherein the method comprises the following steps: controlling an initial light beam to cut a material to be cut, wherein the area of a light spot focused on the material to be cut by the initial light beam is an initial area; under the condition that a target turning region of the initial light beam on a material to be cut is detected, reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to a target area to obtain a target light beam, wherein the target turning region is a cutting region with a changed cutting direction on a cutting path; and controlling the target beam to cut a target turning area on the material to be cut. According to the invention, the problem of lower cutting quality of the turning region in the cutting track in the related technology is solved, and the effect of improving the cutting quality of the turning region in the cutting track is further achieved.
Description
Technical Field
The embodiment of the invention relates to the field of material cutting and shaping, in particular to a cutting control method and device for a material to be cut, a storage medium and an electronic device.
Background
At present, the laser cutting technology is applied to a large scale in various fields such as sheet metal processing, metallurgical equipment, engineering machinery, precision accessories, technical gifts and the like. At present, the traditional laser cutting metal is mainly characterized in that materials are melted on the surface of the materials through laser irradiation, and the materials are blown off under the action of high-pressure airflow to realize cutting, but when an inflection point exists in a cutting track cut by using optical fiber laser, laser energy at corners is densely accumulated, and overburning or slag hanging at the corners is easily caused. In the related art, cutting is basically performed with a reduced duty ratio (i.e., pulse mode) of the laser beam for sharp corners, which also reduces the cutting speed, whereas products such as saw blades or gears have a large sharp corner, which is inefficient if cut in this manner.
Aiming at the problem of low cutting quality of a turning region in a cutting track in the related art, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a cutting control method and device for a material to be cut, a storage medium and an electronic device, which are used for at least solving the problem of low cutting quality of a turning area in a cutting track in the related art.
According to an embodiment of the present invention, there is provided a cutting control method of a material to be cut, including: controlling an initial light beam to cut a material to be cut, wherein the area of a light spot focused on the material to be cut by the initial light beam is an initial area; under the condition that a target turning region of the initial beam for cutting the material to be cut is detected, reducing the area of a light spot of the initial beam focused on the material to be cut from the initial area to a target area to obtain a target beam, wherein the target turning region is a cutting region with a changed cutting direction on a cutting path; and controlling the target light beam to cut the target steering area on the material to be cut.
Optionally, the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to a target area comprises: determining a turning angle of a cutting path in the target turning region and/or a target distance between a current cutting position of the initial beam and a target turning position, wherein the turning angle is an angle of a cutting direction to be changed on the cutting path in the target turning region, and the target turning position is a position of the cutting direction on the cutting path; and reducing the area of a light spot focused on the material to be cut by the initial beam from the initial area to the target area in an adjusting mode matched with the steering angle and/or the target distance in the target steering area.
Optionally, the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to the target area in an adjustment manner matched with the steering angle and the target distance in the target steering area comprises: determining an area reduction curve matching the target distance if the steering angle is greater than or equal to a target angle, wherein the area reduction curve is used for indicating a reduction ratio of a spot area of the initial beam focused on the material to be cut along with the change of the target distance, and the reduction ratio has a negative correlation relation with the target distance; and reducing the spot area of the first light beam according to the area reduction curve, wherein the initial light beam comprises the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is positioned in a no light area inside the annular shape of the first light beam.
Optionally, before the reducing the first spot area of the first light beam according to the area reduction curve, the method further comprises: determining a power amplification curve matched with the area reduction curve, wherein the power amplification curve is used for indicating the amplification proportion of the beam power of the second light beam when the total beam power of the first light beam and the second light beam is not lower than the target power along with the reduction of the spot area of the first light beam; and adjusting the beam power of the second light beam according to the power amplification curve.
Optionally, the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to the target area to obtain the target beam includes: closing a first light beam included in the initial light beam to obtain a reference light beam, wherein the initial light beam includes the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is located in a no light zone inside the annular shape of the first light beam; and under the condition that the beam power of the second light beam is detected to be lower than the target power, increasing the beam power of the second light beam to obtain the target light beam.
Optionally, the controlling the target beam to cut the target turning region on the material to be cut includes: acquiring the beam power of the target beam; determining a cutting speed matching a beam power of the target beam and a steering angle of the target steering zone, wherein the steering angle is an angle at which a cutting direction is to be changed on a cutting path in the target steering zone; and controlling the target light beam to cut the target turning area according to the cutting speed.
Optionally, after the controlling the target beam to cut the target turning region on the material to be cut, the method further comprises: under the condition that the target beam is detected to move out of the target turning region, increasing the area of a light spot focused on the material to be cut by the target beam from the target area to the initial area to obtain the initial beam; and controlling the initial light beam to continuously cut the material to be cut.
There is also provided, in accordance with still another embodiment of the present invention, a cutting control apparatus for a material to be cut, including: the first control module is used for controlling an initial beam to cut a material to be cut, wherein the area of a light spot focused on the material to be cut by the initial beam is the initial area; the first adjusting module is used for reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to a target area to obtain a target light beam under the condition that a target turning area cut on the material to be cut by the initial light beam is detected, wherein the target turning area is a cutting area with a changed cutting direction on a cutting path; and the second control module is used for controlling the target beam to cut the target steering area on the material to be cut.
According to a further embodiment of the present invention, there is also provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the above method embodiments.
According to the invention, the material to be cut is cut by controlling the initial beam, wherein the area of a light spot focused on the material to be cut by the initial beam is the initial area; under the condition that a target turning region of the initial light beam on a material to be cut is detected, reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to a target area to obtain a target light beam, wherein the target turning region is a cutting region with a changed cutting direction on a cutting path; the method comprises the steps of controlling a target light beam to cut a target turning region on a material to be cut, namely, the area of a light spot focused on the material to be cut by the light beam in the target turning region with the changed cutting direction is adjustable, and when the target turning region is cut, reducing the area of the light spot focused on the material to be cut by an initial light beam from the initial area to the target area instead of reducing the duty ratio of the light beam in the related technology, so that the cutting quality of the target turning region is ensured.
Drawings
Fig. 1 is a block diagram of a mobile terminal hardware configuration of a cutting control method of a material to be cut according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of controlling cutting of a material to be cut according to an embodiment of the present invention;
FIG. 3 is an alternative initial beam schematic according to an embodiment of the invention;
FIG. 4 is a schematic diagram of an alternative initial beam according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an alternative annular beam energy distribution according to an embodiment of the present invention;
FIG. 6 is an alternative turning area cutting schematic according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of an alternative cutting trajectory in accordance with embodiments of the present invention;
FIG. 8 is a flow chart of an alternative turning region cutting method according to an embodiment of the present invention;
fig. 9 is a block diagram showing the construction of a cutting control apparatus for a material to be cut according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The method embodiments provided in the embodiments of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking the operation on a mobile terminal as an example, fig. 1 is a block diagram of a mobile terminal hardware structure of a cutting control method of a material to be cut according to an embodiment of the present invention. As shown in fig. 1, the mobile terminal may include one or more (only one shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA), and a memory 104 for storing data, wherein the mobile terminal may further include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those of ordinary skill in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the mobile terminal. For example, the mobile terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 can be used for storing computer programs, for example, software programs and modules of application software, such as a computer program corresponding to the cutting control method of the material to be cut in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, that is, implementing the method described above. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the mobile terminal over 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 transmission device 106 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
In the present embodiment, a method for controlling cutting of a material to be cut is provided, and fig. 2 is a flowchart of a method for controlling cutting of a material to be cut according to an embodiment of the present invention, as shown in fig. 2, the flowchart includes the following steps:
step S202, controlling an initial light beam to cut a material to be cut, wherein the area of a light spot focused on the material to be cut by the initial light beam is an initial area;
step S204, under the condition that a target turning region of the initial beam on the material to be cut is detected, reducing the area of a light spot focused on the material to be cut by the initial beam from the initial area to a target area to obtain a target beam, wherein the target turning region is a cutting region with a changed cutting direction on a cutting path;
step S206, controlling the target beam to cut the target steering area on the material to be cut.
Through the steps, the area of the light spot focused on the material to be cut by the light beam in the target turning region with the changed cutting direction is adjustable, and when the target turning region is cut, the area of the light spot focused on the material to be cut by the initial light beam is reduced to the target area from the initial area instead of reducing the duty ratio of the light beam in the related technology, so that the cutting quality of the target turning region is ensured.
In the technical solution provided by step S202, the material to be cut may be a metal material or a non-metal material.
Alternatively, in this embodiment, the initial light beam may be a single light beam or a light beam composed of multiple light beams.
Fig. 3 is a schematic diagram of an alternative initial light beam according to an embodiment of the present invention, and as shown in fig. 3, the initial light beam is composed of two light beams, i.e., a first light beam and a second light beam, wherein the first light beam is a circular light beam, the second light beam is a circular light beam, the first light beam is located in a hollow no light area of the second light beam, the first light beam can be a gaussian light beam or a flat-top light beam, and the second light beam can be a gaussian light beam or a flat-top light beam.
Fig. 4 is a schematic diagram of another alternative initial beam according to an embodiment of the present invention, as shown in fig. 4, the initial beam is composed of a plurality of beams, the first beam of the inner ring and the second beam of the outer ring, the second beam includes a plurality of beams having circular spots, and the plurality of beams having circular spots form the annular second beam of the outer ring.
Optionally, in this embodiment, when the initial light beam is a light beam composed of multiple light beams, the method for adjusting the spot area of the initial light beam may be to adjust the area of one or more light beams in the multiple light beams, or may also be to adjust the spot area of the initial light beam by adjusting the degree of coincidence of each light beam, such as the annular light beam in fig. 3, and adjusting the spot area may be to adjust the area of the inner ring or the outer ring of the light beam alone, or may also be to adjust the degree of coincidence of the inner ring and the outer ring of the light beam, so as to focus the outer ring of the light beam on the spot area of the inner ring of the light beam, thereby reducing the spot area.
In the technical solution provided in step S204, the light spot areas at the positions of the initial light beam in the target turning region may be the same or different, for example, the initial area of the light spot area of the initial light beam is 10 square millimeters, the light spot areas at the positions in the target turning region may be uniformly reduced to 5 square millimeters, and the light spot areas may be gradually reduced according to the distance between the position to be cut and the turning point until the light spot area is reduced to 5 square millimeters at the turning point, which is not limited in this solution.
In the technical solution provided in step S206, the cutting speed when the target beam is controlled to cut the target turning region on the material to be cut may be a cutting speed obtained by performing linear cutting, or a cutting speed determined according to beam information such as a spot area, and the present solution is not limited thereto.
As an alternative example, said reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to a target area comprises:
determining a turning angle of the cutting path in the target turning region and/or a target distance between a current cutting position of the initial beam and a target turning position, wherein the turning angle is an angle at which a cutting direction on the cutting path in the target turning region is to be changed, and the target turning position is a position at which the cutting direction on the cutting path is changed;
and reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to the target area in an adjusting mode matched with the steering angle and/or the target distance in the target steering area.
Optionally, in this embodiment, the adjustment manner of the spot area may be determined according to a steering angle, or may be determined according to a target distance between the current cutting position and the target steering position, or may be determined according to both the steering angle and the target distance between the current cutting position and the target steering position, which is not limited in this embodiment.
As an alternative example, the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to the target area in an adjustment manner matched with the steering angle and the target distance in the target steering area comprises:
determining an area reduction curve matching the target distance if the steering angle is greater than or equal to a target angle, wherein the area reduction curve is used for indicating a reduction ratio of a spot area of the initial beam focused on the material to be cut along with the change of the target distance, and the reduction ratio has a negative correlation relation with the target distance;
and reducing the spot area of the first light beam according to the area reduction curve, wherein the initial light beam comprises the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is positioned in a no light area inside the annular shape of the first light beam.
Optionally, in this embodiment, the target reduction degree curve may be matched according to the target distance, or may be matched with the target distance and the steering angle, which is not limited in this embodiment.
Optionally, in this embodiment, the target angle is a set angle value, and the target angle may be set to, but is not limited to, 10 °, 20 °, 30 °, 31 °, and the like according to actual needs, which is not limited in this embodiment.
Alternatively, in this embodiment, the first light beam and the second light beam may be light beams generated by the same laser beam generation device, or may be light beams generated by different laser generation devices.
As an optional example, before the reducing the first spot area of the first light beam according to the area reduction curve, the method further comprises:
determining a power amplification curve matched with the area reduction curve, wherein the power amplification curve is used for indicating the amplification proportion of the beam power of the second light beam when the total beam power of the first light beam and the second light beam is not lower than the target power along with the reduction of the spot area of the first light beam;
and adjusting the beam power of the second light beam according to the power amplification curve.
Alternatively, in this embodiment, the power of the first beam and the second beam may be adjusted separately.
Fig. 5 is a schematic diagram of an alternative energy distribution of a ring-shaped light beam according to an embodiment of the present invention, as shown in fig. 5, the light beam includes an inner ring of circular light beams and an outer ring of ring-shaped light beams, and the power density of the inner ring of light beams is higher than that of the outer ring of light beams.
Through the steps, when the turning region is cut, the power of the inner ring light beam is increased while the light spot area of the outer ring light beam is reduced, so that the cutting quality of the turning region is guaranteed, the cutting speed of the turning region is guaranteed, and the cutting efficiency of the turning region is improved
As an alternative example, the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to the target area to obtain the target beam comprises:
closing a first light beam included in the initial light beam to obtain a reference light beam, wherein the initial light beam includes the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is located in a no light zone inside the annular shape of the first light beam;
and under the condition that the beam power of the second light beam is detected to be lower than the target power, increasing the beam power of the second light beam to obtain the target light beam.
FIG. 6 is a schematic view of an alternative turning region cut according to an embodiment of the present invention that may be, but is not limited to, applied to the machining of a saw blade, as shown in FIG. 6, which may include, but is not limited to, the following: the method is mainly used for solving the problem of overburning at the sharp corner of the saw blade, and mainly comprises the steps of cutting the circular position (a certain position of the saw blade) with linear or small curvature by adopting inner ring laser and outer ring laser and only adopting inner ring laser to cut the circular position (with large curvature) with the sharp corner without reducing the cutting speed and the circular position with small curvature. Because the inner ring core diameter is less, power density is higher, and cutting efficiency is higher, can only adopt inner ring laser cutting at the closed angle department, avoid closed angle department to fall power (set up duty cycle, pulse mode cutting promptly), reduce speed cutting. In the embodiment, the cutting sharp corner does not need to be provided with a duty ratio (pulse mode) or a speed reduction, so that when a saw blade (with a large sharp corner) is cut, the overall cutting efficiency is improved by 30-50%; when the small core diameter (inner ring) is used for cutting the sharp corner, slag is not easy to be adhered and the excessive burning is not easy to occur because the power density is higher when the small core diameter (small light spot) is used, the sharp corner does not need to be cut at a reduced speed, namely, the heat accumulation is not formed at the sharp corner, and the excessive burning is not caused; is especially suitable for various tooth-shaped and saw blade-shaped products, solves the problems of over-burning and slag adhering of sharp corners and improves the cutting efficiency.
Fig. 7 is a schematic diagram of an alternative cutting track in accordance with the embodiment of the present invention, as shown in fig. 7, a central + outer ring beam is used to cut at a point 1-point 2 of the cutting track, the central beam is used for cutting, the outer ring beam is used for controlling the cutting quality, the material to be cut is irradiated by the outer ring beam, so that the material to be cut can be controlled to be in a target state (the target state may be that the surface temperature of the material to be cut reaches a certain temperature value, the material to be cut reaches a melting critical state, or the absorption rate of the material to be cut to the beam reaches a certain value, which is not limited in this embodiment), and when the inner ring beam cuts the material to be cut in the target state, the cutting quality of the material can be improved. The region between the point 2 and the point 3 is a target turning region, and when the target turning region is cut to the point 2, cutting can be performed in a first cutting mode, namely the outer ring light beam is closed, and the power of the inner ring light beam is adjusted; and cutting can be carried out through a second cutting mode, namely, the power and the spot area of the outer ring beam are gradually reduced and the power of the inner ring beam is gradually increased according to the distance between the current cutting position and the target distance between the sharp points between the point 2 and the point 3 and the angle of the sharp points.
Fig. 8 is a flowchart of an alternative turning region cutting method according to an embodiment of the present invention, which can be applied to the cutting track shown in fig. 7, but is not limited to the following steps, as shown in fig. 8:
s801, obtaining the material and thickness of the steel plate to be cut (for example, a carbon steel plate with the thickness of 6 mm).
S802, designing a cutting track by using CAD drawing, guiding the cutting track into a cutting system, and defining a sharp-angle (corner) cutting lead-in section and a lead-out section in the laser cutting track.
And S803, the cutting system can generate two beams of laser, the core diameter of the laser is 50 micrometers (center) +100 micrometers (outer ring), the laser power is 6000W (center) +6000W (outer ring), a first parameter (used for cutting a straight cutting track) and a second parameter (used for cutting a turning area) are determined, the first parameter is the cutting power outer ring 4000W, the center 2000W, the cutting height is 0.8mm, the defocusing is 4.5mm, the cutting speed is 6m/min, a single-layer nozzle is 3.0, the auxiliary gas is nitrogen, the gas pressure is 10bar, and the second parameter is the removal of the outer ring laser in the first parameter and the adjustment of the inner ring laser power to 5000W.
And S804, starting the cutting system, calling the parameter 1 when cutting the cutting track between the point 1 and the point 2 in the graph 7, and calling the parameter 2 when cutting the track between the point 2 and the point 3 in the graph 7.
As an optional example, the controlling the target beam to cut the target turning area on the material to be cut comprises:
acquiring the beam power of the target beam;
determining a cutting speed matching a beam power of the target beam and a steering angle of the target steering zone, wherein the steering angle is an angle at which a cutting direction is to be changed on a cutting path in the target steering zone;
and controlling the target light beam to cut the target turning area according to the cutting speed.
As an optional example, after the controlling the target beam to cut the target turning region on the material to be cut, the method further comprises:
under the condition that the target beam is detected to move out of the target turning region, increasing the area of a light spot focused on the material to be cut by the target beam from the target area to the initial area to obtain the initial beam;
and controlling the initial light beam to continue to cut the material to be cut.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
There is also provided a cutting control device for a material to be cut in this embodiment, and fig. 9 is a block diagram of a structure of the cutting control device for the material to be cut according to the embodiment of the present invention, as shown in fig. 9, the device includes:
the first control module 92 is used for controlling an initial beam to cut the material to be cut, wherein the area of a light spot focused on the material to be cut by the initial beam is an initial area;
a first adjusting module 94, configured to, in a case that a target turning region on the material to be cut is detected, reduce a spot area of the initial beam focused on the material to be cut from the initial area to a target area, so as to obtain a target beam, where the target turning region is a cutting region where a cutting direction on a cutting path changes;
a second control module 96, configured to control the target beam to cut the target turning region on the material to be cut.
Optionally, the first adjusting module includes: a first determining unit, configured to determine a turning angle of the cutting path within the target turning region, and/or a target distance between a current cutting position of the initial beam and a target turning position, where the turning angle is an angle at which a cutting direction on the cutting path in the target turning region is to be changed, and the target turning position is a position at which the cutting direction on the cutting path is changed; and the adjusting unit is used for reducing the area of a light spot focused on the material to be cut by the initial beam from the initial area to the target area in an adjusting mode matched with the steering angle and/or the target distance in the target steering area.
Optionally, the adjusting unit is configured to: determining an area reduction curve matching the target distance if the steering angle is greater than or equal to a target angle, wherein the area reduction curve is used to indicate a reduction ratio of a spot area of the initial beam focused on the material to be cut as the target distance changes, and the reduction ratio has a negative correlation relationship with the target distance; and reducing the spot area of the first light beam according to the area reduction curve, wherein the initial light beam comprises the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is positioned in a no light area inside the annular shape of the first light beam.
Optionally, the apparatus further comprises: a determining module for determining a power amplification curve matching the area reduction curve before the first spot area of the first beam is reduced according to the area reduction curve, wherein the power amplification curve is used for indicating the amplification proportion of the beam power of the second beam when the total beam power of the first beam and the second beam is not lower than the target power as the spot area of the first beam is reduced; and the second adjusting module is used for adjusting the beam power of the second light beam according to the power amplification curve.
Optionally, the first adjusting module includes: the first processing unit is used for turning off a first light beam included in the initial light beam to obtain a reference light beam, wherein the initial light beam includes the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is located in a no light area inside the annular of the first light beam; and the second processing unit is used for increasing the beam power of the second light beam to obtain the target light beam under the condition that the beam power of the second light beam is detected to be lower than the target power.
Optionally, the second control module comprises: an acquisition unit configured to acquire a beam power of the target beam; a second determination unit configured to determine a cutting speed that matches a beam power of the target beam and a steering angle of the target steering region, wherein the steering angle is an angle at which a cutting direction is to be changed on a cutting path in the target steering region; and the control unit is used for controlling the target light beam to cut the target turning area according to the cutting speed.
Optionally, the apparatus further comprises: a third adjusting module, configured to, after the target beam is controlled to cut the target turning region on the material to be cut, increase a spot area of the target beam focused on the material to be cut from the target area to the initial area to obtain the initial beam when it is detected that the target beam moves out of the target turning region; and the third control module is used for controlling the initial light beam to continuously cut the material to be cut.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Embodiments of the present invention also provide a computer-readable storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the steps of any of the above-mentioned method embodiments when executed.
In an exemplary embodiment, the computer readable storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present invention further provide an electronic device, comprising a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the above method embodiments.
In an exemplary embodiment, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and exemplary embodiments, and details of this embodiment are not repeated herein.
It will be apparent to those skilled in the art that the various modules or steps of the invention described above may be implemented using a general purpose computing device, they may be centralized on a single computing device or distributed across a network of computing devices, and they may be implemented using program code executable by the computing devices, such that they may be stored in a memory device and executed by the computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into various integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention shall be included in the protection scope of the present invention.
Claims (9)
1. A method of controlling cutting of a material to be cut, comprising:
controlling an initial beam to cut a material to be cut, wherein the spot area of the initial beam focused on the material to be cut is the initial area, the initial beam comprises a first beam and a second beam, the spot shape of the first beam is annular, the spot shape of the second beam is circular, and the second beam is located in a no-light area inside the annular of the first beam;
under the condition that a target turning region of the initial beam for cutting the material to be cut is detected, reducing the area of a light spot of the initial beam focused on the material to be cut from the initial area to a target area to obtain a target beam, wherein the target turning region is a cutting region with a changed cutting direction on a cutting path;
controlling the target light beam to cut the target turning area on the material to be cut;
wherein the reducing the spot area of the initial beam focused on the material to be cut from the initial area to a target area comprises: determining a steering angle of a cutting path in the target steering area and a target distance between a current cutting position of the initial beam and a target steering position, wherein the steering angle is an angle at which a cutting direction is to be changed on the cutting path in the target steering area, and the target steering position is a position at which the cutting direction on the cutting path is changed; reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to the target area in an adjusting mode matched with the steering angle and the target distance in the target steering area;
reducing the spot area from the initial area to the target area comprises: focusing the first light beam to a spot area of the second light beam.
2. The method of claim 1, wherein the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to the target area within the target turning region in an adjusted manner matched to the turning angle and the target distance comprises:
determining an area reduction curve matching the target distance if the steering angle is greater than or equal to a target angle, wherein the area reduction curve is used for indicating a reduction ratio of a spot area of the initial beam focused on the material to be cut along with the change of the target distance, and the reduction ratio has a negative correlation relation with the target distance;
and reducing the spot area of the first light beam according to the area reduction curve.
3. The method of claim 2, wherein prior to said reducing the first spot area of the first beam according to the area reduction curve, the method further comprises:
determining a power amplification curve matched with the area reduction curve, wherein the power amplification curve is used for indicating the amplification proportion of the beam power of the second light beam when the total beam power of the first light beam and the second light beam is not lower than the target power along with the reduction of the spot area of the first light beam;
and adjusting the beam power of the second light beam according to the power amplification curve.
4. The method of claim 1, wherein the reducing the area of the spot focused by the initial beam on the material to be cut from the initial area to a target area, resulting in a target beam comprises:
turning off a first light beam included in the initial light beam to obtain a reference light beam, wherein the initial light beam includes the first light beam and a second light beam, the spot shape of the first light beam is annular, the spot shape of the second light beam is circular, and the second light beam is located in a no light area inside the annular of the first light beam;
and under the condition that the beam power of the second light beam is detected to be lower than the target power, increasing the beam power of the second light beam to obtain the target light beam.
5. The method of claim 1, wherein the controlling the target beam to cut the target turning region on the material to be cut comprises:
acquiring the beam power of the target beam;
determining a cutting speed matching a beam power of the target beam and a steering angle of the target steering zone, wherein the steering angle is an angle at which a cutting direction is to be changed on a cutting path in the target steering zone;
and controlling the target light beam to cut the target turning area according to the cutting speed.
6. The method of claim 1, wherein after said controlling the target beam to cut the target turning region on the material to be cut, the method further comprises:
under the condition that the target beam is detected to move out of the target turning region, increasing the area of a light spot focused on the material to be cut by the target beam from the target area to the initial area to obtain the initial beam;
and controlling the initial light beam to continue to cut the material to be cut.
7. A cutting control apparatus for a material to be cut, comprising:
the device comprises a first control module, a second control module and a control module, wherein the first control module is used for controlling an initial light beam to cut a material to be cut, the area of a light spot focused on the material to be cut by the initial light beam is an initial area, the initial light beam comprises a first light beam and a second light beam, the shape of the light spot of the first light beam is annular, the shape of the light spot of the second light beam is circular, and the second light beam is located in a no light area inside the annular of the first light beam;
the first adjusting module is used for reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to a target area to obtain a target light beam under the condition that a target turning area cut on the material to be cut by the initial light beam is detected, wherein the target turning area is a cutting area with a changed cutting direction on a cutting path;
the second control module is used for controlling the target light beam to cut the target steering area on the material to be cut;
wherein the first adjusting module comprises: a first determining unit, configured to determine a turning angle of a cutting path within the target turning region and a target distance between a current cutting position of the initial beam and a target turning position, where the turning angle is an angle at which a cutting direction is to be changed on the cutting path in the target turning region, and the target turning position is a position at which the cutting direction on the cutting path is changed; the adjusting unit is used for reducing the area of a light spot focused on the material to be cut by the initial light beam from the initial area to the target area in an adjusting mode matched with the steering angle and the target distance in the target steering area;
the first adjusting module is further configured to: focusing the first light beam to a spot area of the second light beam.
8. A computer-readable storage medium, in which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method as claimed in any of claims 1 to 6 are implemented when the computer program is executed by the processor.
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| CN108115292B (en) * | 2017-12-30 | 2020-07-28 | 大族激光科技产业集团股份有限公司 | Method for cutting workpiece corner by laser and cutting system |
| CN110899990B (en) * | 2019-12-03 | 2022-03-01 | 深圳供电局有限公司 | Laser engraving method and device, computer equipment and storage medium |
| CN112091444B (en) * | 2020-08-07 | 2022-07-12 | 大族激光科技产业集团股份有限公司 | Groove cutting control method and device, storage medium and laser cutting equipment |
| CN113409228B (en) * | 2021-08-20 | 2022-01-11 | 武汉锐科光纤激光技术股份有限公司 | Method, device and system for shaping light beam, storage medium and electronic device |
| CN113695767B (en) * | 2021-10-29 | 2022-02-25 | 济南邦德激光股份有限公司 | Laser cutting light spot control system and method |
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