Laser cutting equipment calibration method, system and equipment and storage medium

Abstract

The invention discloses a laser cutting equipment calibration method, system and equipment and a storage medium, laser cutting equipment comprises a shaft A, a shaft B and a cutting head, the shaft A and the shaft B are rotating shafts, the shaft B is installed on the shaft A, the cutting head is installed on the shaft B, and when the center line of the cutting head is parallel to the shaft Z, the position of the cutting head is set as the initial position; the intersection point of the center line of the cutting head at the initial position and the axis of the A shaft is set as the rotation center OA of the A shaft; the laser cutting equipment calibration method comprises the following steps: moving a cutting head to an initial position; the A shaft drives the cutting head to rotate by a first angle theta; acquiring a first moving distance ZA in the Z-axis direction generated by rotating a tool nose point P of the cutting head by a first angle theta; according to the laser cutting equipment calibration method, the position calibration process of the tool nose point can be simplified, and the position calibration efficiency of the tool nose point is improved.

Description

Technical Field

[0001] The present application relates to the technical field of laser cutting equipment, and in particular to a laser cutting equipment calibration method, system, equipment and storage medium. Background Art

[0002] At present, laser cutting has been widely used in the metal processing industry. Straight cutting can meet the needs of plane cutting of workpieces, but with the continuous changes in products, the demand for laser cutting grooves is also increasing. In practical applications, due to the influence of various factors (such as assembly errors, posture changes, etc.), the position of the tool center point (TCP) of the cutting head is prone to deviation.

[0003] In the related art, the movement of the cutting head is controlled by software, and the position of the cutting head tip is calibrated in combination with the feedback value. However, the current calibration and calculation process is relatively complicated and the calibration efficiency is low. Summary of the invention

[0004] To this end, the present application proposes a laser cutting equipment calibration method, which can simplify the tool tip position calibration process and improve the tool tip position calibration efficiency.

[0005] The present application also proposes a laser cutting equipment calibration system.

[0006] The application also proposes a laser cutting device.

[0007] The present application also proposes a computer-readable storage medium.

[0008] According to the laser cutting equipment calibration method of the first aspect of the present application, the laser cutting equipment includes an A-axis, a B-axis and a cutting head, the A-axis and the B-axis are both rotating axes, the B-axis is installed on the A-axis, and the cutting head is installed on the B-axis. When the center line of the cutting head is parallel to the Z-axis, the position of the cutting head is set as the initial position; the intersection of the center line of the cutting head at the initial position and the axis center of the A-axis is set as the rotation center of the A-axis. A ; The laser cutting equipment calibration method comprises the following steps:

[0009] Moving the cutting head to the initial position;

[0010] The A-axis drives the cutting head to rotate by a first angle θ;

[0011] Obtain a first moving distance Z along the Z-axis direction generated by the cutting head tip point P rotating by the first angle θ A ;

[0012] According to the first angle θ and the first moving distance ZA , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ;

[0013] According to the first actual distance L A The position of the tool tip point P is calibrated.

[0014] The laser cutting equipment calibration method according to the embodiment of the present application has at least the following beneficial effects: after the cutting head moves to the initial position, it rotates the first angle θ under the drive of the A axis, thus completing the calibration of the A axis rotation center O A The first actual distance L from the tool tip point P A The required action is relatively simple; only the first angle θ and the first moving distance Z are used. A , the A-axis rotation center O can be calculated A The first actual distance L from the tool tip point P A , the calculation process is relatively simple.

[0015] According to some embodiments of the present application, the first angle θ is an acute angle, and the “according to the first angle θ and the first moving distance Z A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ” includes the following steps:

[0016] According to the formula Calculate the first actual distance L A .

[0017] According to some embodiments of the present application, the first angle θ is not less than 30 degrees and not greater than 60 degrees.

[0018] According to some embodiments of the present application, the intersection of the axis center of the B axis and the axis center of the A axis is assumed to be the rotation center of the B axis. B , the laser cutting equipment calibration method further comprises the following steps:

[0019] Moving the cutting head to the initial position again;

[0020] The B-axis drives the cutting head to rotate by a second angle β;

[0021] Obtain a second moving distance Z along the Z-axis direction generated by the cutting head tip point P rotating at the second angle β B ;

[0022] According to the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation centerB ;

[0023] According to the second actual distance L B The position of the tool tip point P is calibrated.

[0024] According to some embodiments of the present application, the second angle β is an acute angle, and the “according to the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ” includes the following steps:

[0025] According to the formula Calculate the second actual distance L B .

[0026] According to some embodiments of the present application, the second angle β is not less than 30 degrees and not more than 60 degrees.

[0027] According to the laser cutting equipment calibration system of the second aspect of the present application, the laser cutting equipment includes an A-axis, a B-axis and a cutting head, the A-axis and the B-axis are both rotating axes, the B-axis is installed on the A-axis, and the cutting head is installed on the B-axis. When the center line of the cutting head is parallel to the Z-axis, the position of the cutting head is set as the initial position; the intersection of the center line of the cutting head at the initial position and the axis center of the A-axis is set as the rotation center of the A-axis. A ; The laser cutting equipment calibration system comprises:

[0028] A moving module, used for moving the cutting head to the initial position;

[0029] A rotating module, used for causing the A axis to drive the cutting head to rotate by a first angle θ;

[0030] an acquisition module, for acquiring a first moving distance Z along the Z-axis direction generated by the tool tip point P of the cutting head rotating by the first angle θ A ;

[0031] A calculation module is used to calculate the first angle θ and the first moving distance Z according to the first angle θ and the first moving distance Z. A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ;

[0032] A calibration module is used to calibrate the first actual distance L A The position of the tool tip point P is calibrated.

[0033] The laser cutting equipment calibration system according to the embodiment of the present application has at least the following beneficial effects: after the cutting head moves to the initial position, it rotates the first angle θ under the drive of the A axis, thus completing the calibration of the A axis rotation center O A The first actual distance L from the tool tip point P A The required action is relatively simple; only the first angle θ and the first moving distance Z are used. A , the A-axis rotation center O can be calculated A The first actual distance L from the tool tip point P A , the calculation process is relatively simple.

[0034] According to some embodiments of the present application, the intersection of the axis center of the B axis and the axis center of the A axis is assumed to be the rotation center of the B axis. B ;

[0035] The moving module is also used to move the cutting head to the initial position again;

[0036] The rotation module is also used to make the B axis drive the cutting head to rotate by a second angle β;

[0037] The acquisition module is also used to acquire a second moving distance Z along the Z-axis direction generated by the tool tip point P of the cutting head rotating by the second angle β. B ;

[0038] The calculation module is also used to calculate the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ;

[0039] The calibration module is also used to adjust the actual distance L according to the second B The position of the tool tip point P is calibrated.

[0040] A laser cutting device according to a third aspect of the present application includes:

[0041] a memory storing a computer program;

[0042] A processor, wherein the processor can implement the steps of the above-mentioned laser cutting equipment calibration method when executing the computer program.

[0043] The laser cutting equipment according to the embodiment of the present application has at least the following beneficial effects: by implementing the above-mentioned laser cutting equipment calibration method, the position calibration process of the tool tip point P can be simplified and the calibration efficiency of the position of the tool tip point P can be improved.

[0044] According to a computer-readable storage medium of the fourth aspect embodiment of the present application, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above-mentioned laser cutting equipment calibration method are implemented.

[0045] The computer-readable storage medium according to the embodiment of the present application has at least the following beneficial effects: by implementing the above-mentioned laser cutting equipment calibration method, the position calibration process of the tool tip point P can be simplified and the calibration efficiency of the position of the tool tip point P can be improved.

[0046] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The present application is further described below with reference to the accompanying drawings and embodiments, wherein:

[0048] Figure 1 A flowchart of a laser cutting equipment calibration method according to an embodiment of the present application;

[0049] Figure 2 A schematic diagram of the A-axis, B-axis and cutting head of the laser cutting equipment of the first embodiment of the present application;

[0050] Figure 3 for Figure 2 A schematic diagram of a cutting head of a laser cutting device rotating at a first angle θ;

[0051] Figure 4 for Figure 2 A schematic diagram of a cutting head of a laser cutting device rotating at a second angle β;

[0052] Figure 5 A schematic diagram of a laser cutting equipment calibration system according to an embodiment of the present application;

[0053] Figure 6 This is a schematic diagram of a laser cutting device according to a second embodiment of the present application.

[0054] Reference numerals: A axis 100;

[0055] B axis 200;

[0056] Cutting head 300, cutting nozzle 310;

[0057] Laser cutting equipment calibration system 400, moving module 410, rotating module 420, acquiring module 430, calculating module 440, calibration module 450;

[0058] Laser cutting equipment 500 , memory 510 , and processor 520 . DETAILED DESCRIPTION

[0059] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0060] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0061] In the description of this application, "several" means one or more than one, "more" means two or more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0062] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0063] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0064] Reference Figures 1 to 3 It should be noted that in Figure 3In the figure, the cutting head 300 indicated by the double dotted line is the position of the cutting head 300 before it rotates by the first angle θ, and the cutting head 300 indicated by the thin solid line is the position of the cutting head 300 after it rotates by the first angle θ. According to the laser cutting equipment calibration method of the first aspect of the present application, the laser cutting equipment includes an A-axis 100, a B-axis 200 and a cutting head 300, the A-axis 100 and the B-axis 200 are both rotating axes, the B-axis 200 is mounted on the A-axis 100, and the cutting head 300 is mounted on the B-axis 200. When the center line of the cutting head 300 is parallel to the Z-axis, the position of the cutting head 300 is assumed to be the initial position (refer to Figure 2 , Figure 2 The cutting head 300 shown in the figure is in the initial position); the intersection of the center line of the cutting head 300 in the initial position and the axis of the A axis 100 is assumed to be the rotation center of the A axis O A ; The laser cutting equipment calibration method includes the following steps:

[0065] S100, moving the cutting head 300 to an initial position;

[0066] S200, causing the A-axis 100 to drive the cutting head 300 to rotate by a first angle θ;

[0067] S300, obtaining a first moving distance Z along the Z axis direction caused by the tip point P of the cutting head 300 rotating at the first angle θ A ;

[0068] S400, according to the first angle θ and the first moving distance Z A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ;

[0069] S500, according to the first actual distance L A Calibrate the position of tool tip point P.

[0070] The laser cutting equipment calibration method according to the embodiment of the present application has at least the following beneficial effects: after the cutting head 300 moves to the initial position, it is then driven by the A-axis 100 to rotate by the first angle θ, thus completing the calibration of the A-axis rotation center O. A The first actual distance L from the tool tip point P A The required action is relatively simple; only the first angle θ and the first moving distance Z are used. A , the A-axis rotation center O can be calculated A The first actual distance L from the tool tip point P A , the calculation process is relatively simple.

[0071] It should be noted that the cutting head 300 generally includes a cutting nozzle 310 , and the center line of the cutting head 300 is the center line of the cutting nozzle 310 , and the center line of the cutting head 300 also coincides with the laser passing through the cutting nozzle 310 .

[0072] It should be noted that the cutting head 300 is generally equipped with a distance sensor (such as a capacitive sensor), which can detect the distance from the cutting head 300 to a reference plane (such as the upper surface of the bed, or the upper surface of a calibration block placed on the bed). The first moving distance Z can be obtained through the feedback of the distance sensor. A .

[0073] Reference Figure 2 In some embodiments of the present application, the first angle θ is an acute angle, and “according to the first angle θ and the first moving distance Z A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A " includes the following steps: According to the formula Calculate the first actual distance L A .

[0074] In actual bevel cutting operations, the angle of the bevel is usually an acute angle. Therefore, making the first angle θ an acute angle can better fit the actual posture of the cutting head 300, thereby facilitating obtaining a more accurate first actual distance L A .pass Calculate the first actual distance L A , the process is relatively simple, which is conducive to simplifying the calculation process.

[0075] Specifically, after the cutting head 300 rotates by the first angle θ, the length of the projection of the cutting head 300 on the Z axis is L A *cosθ, the length of the projection of the cutting head 300 on the Z axis, plus the first moving distance Z A , which is the first actual distance L A , that is, L A *cosθ+Z A =L A , by transformation, we can get the formula

[0076] Reference Figure 3 In an improved solution of the above embodiment, the first angle θ is not less than 30 degrees and not more than 60 degrees.

[0077] In actual bevel cutting operations, the angle of the bevel is usually 30 degrees, 45 degrees or 60 degrees. Therefore, the first angle θ is set to be not less than 30 degrees and not more than 60 degrees, which can better fit the actual posture of the cutting head 300, thereby facilitating a more accurate first actual distance L. A .

[0078] Specifically, the first angle θ may be 30 degrees, 45 degrees, 60 degrees or other values.

[0079] Reference Figure 4 It should be noted that in Figure 3 In the figure, the cutting head 300 indicated by the double-dotted line is the position of the cutting head 300 before the cutting head 300 rotates by the second angle β, and the cutting head 300 indicated by the thin solid line is the position of the cutting head 300 after the cutting head 300 rotates by the second angle β. In some embodiments of the present application, the intersection of the axis of the B axis 200 and the axis of the A axis 100 is assumed to be the rotation center of the B axis O B , the laser cutting equipment calibration method also includes the following steps:

[0080] Move the cutting head 300 to the initial position again;

[0081] The B-axis 200 drives the cutting head 300 to rotate by a second angle β;

[0082] Obtain the second moving distance Z along the Z-axis direction generated by the tip point P of the cutting head 300 rotating at the second angle β B ;

[0083] According to the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ;

[0084] According to the second actual distance L B Calibrate the position of tool tip point P.

[0085] After the cutting head 300 moves to the initial position, it is then driven by the B-axis 200 to rotate by a second angle β, thus completing the calibration of the second actual distance L between the B-axis rotation center and the A-axis rotation center. B The required action is relatively simple; only the second angle β and the second moving distance Z are used. B , the second actual distance L between the B-axis rotation center and the A-axis rotation center can be calculated B , the calculation process is relatively simple

[0086] In addition, by further calibrating the second actual distance L between the B-axis rotation center and the A-axis rotation center B , the position of the tool tip point P will be more accurate

[0087] Reference Figure 4 In the improved scheme of the above embodiment, the second angle β is an acute angle, and “according to the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ” includes the following steps:

[0088] According to the formula Calculate the second actual distance L B .

[0089] In actual bevel cutting operations, the angle of the bevel is usually an acute angle. Therefore, making the second angle β an acute angle can better fit the actual posture of the cutting head 300, thereby facilitating obtaining a more accurate second actual distance L B .pass Calculate the second actual distance L B , the process is relatively simple, which is conducive to simplifying the calculation process.

[0090] Specifically, refer to Figure 4 , line segment O A The length of C is L B *tanβ, the length of line segment CP is O A PO A C, namely L A -L B *tanβ, so the length of line segment CE is (L A -L B *tanβ)*cosβ. The length of line segment CE plus the second moving distance Z B , which is L A , that is (L A -L B *tanβ)*cosβ+Z B =L A , by transformation, we can get the formula

[0091] Reference Figure 4 In an improved solution of the above embodiment, the second angle β is not less than 30 degrees and not more than 60 degrees.

[0092] In actual bevel cutting operations, the angle of the bevel is usually 30 degrees, 45 degrees or 60 degrees. Therefore, the second angle β is set to be not less than 30 degrees and not more than 60 degrees, which can better fit the actual posture of the cutting head 300, thereby facilitating obtaining a more accurate second actual distance L. B .

[0093] Specifically, the second angle β may be 30 degrees, 45 degrees, 60 degrees or other values.

[0094] Reference Figure 3 and Figure 5According to the laser cutting equipment calibration system 400 of the second embodiment of the present application, the laser cutting equipment includes an A-axis 100, a B-axis 200 and a cutting head 300. The A-axis 100 and the B-axis 200 are both rotating axes. The B-axis 200 is installed on the A-axis 100, and the cutting head 300 is installed on the B-axis 200. When the center line of the cutting head 300 is parallel to the Z-axis, the position of the cutting head 300 is set as the initial position; the intersection of the center line of the cutting head 300 in the initial position and the axis center of the A-axis 100 is set as the A-axis rotation center O. A ; The laser cutting equipment calibration system 400 includes a moving module 410, a rotating module 420, an acquisition module 430, a calculation module 440 and a calibration module 450.

[0095] The moving module 410 is used to move the cutting head 300 to an initial position. The rotating module 420 is used to drive the A-axis 100 to rotate the cutting head 300 by a first angle θ. The acquiring module 430 is used to acquire a first moving distance Z along the Z-axis direction generated by the tool tip point P of the cutting head 300 rotating by the first angle θ. A The calculation module 440 is used to calculate the first angle θ and the first moving distance Z according to the first angle θ and the first moving distance Z. A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A The calibration module 450 is used to calculate the actual distance L according to the first actual distance L. A Calibrate the position of tool tip point P.

[0096] The laser cutting equipment calibration system 400 according to the embodiment of the present application has at least the following beneficial effects: after the cutting head 300 moves to the initial position, it rotates by the first angle θ under the drive of the A-axis 100, thus completing the calibration of the A-axis rotation center O A The first actual distance L from the tool tip point P A The required action is relatively simple; only the first angle θ and the first moving distance Z are used. A , the A-axis rotation center O can be calculated A The first actual distance L from the tool tip point P A , the calculation process is relatively simple.

[0097] Reference Figure 4 and Figure 5 According to some embodiments of the present application, the intersection of the axis of the B-axis 200 and the axis of the A-axis 100 is assumed to be the rotation center of the B-axis. B The moving module 410 is also used to move the cutting head 300 to the initial position again. The rotating module 420 is also used to drive the B axis 200 to drive the cutting head 300 to rotate by the second angle β. The acquiring module 430 is also used to acquire the second moving distance Z along the Z axis direction generated by the tool tip point P of the cutting head 300 rotating by the second angle β. BThe calculation module 440 is further configured to calculate the value of the second angle β and the second moving distance Z according to the second angle β and the second moving distance Z. B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B The calibration module 450 is further configured to calculate the actual distance L according to the second actual distance L. B Calibrate the position of tool tip point P.

[0098] After the cutting head 300 moves to the initial position, it is then driven by the B-axis 200 to rotate by a second angle β, thus completing the calibration of the second actual distance L between the B-axis rotation center and the A-axis rotation center. B The required action is relatively simple; only the second angle β and the second moving distance Z are used. B , the second actual distance L between the B-axis rotation center and the A-axis rotation center can be calculated B , the calculation process is relatively simple

[0099] In addition, by further calibrating the second actual distance L between the B-axis rotation center and the A-axis rotation center B , the position of the tool tip point P will be more accurate

[0100] According to a third aspect of the present application, a laser cutting device 500 includes a memory 510 and a processor 520. The memory 510 stores a computer program. When the processor 520 executes the computer program, the steps of the laser cutting device calibration method described above can be implemented.

[0101] The laser cutting equipment according to the embodiment of the present application has at least the following beneficial effects: by implementing the above-mentioned laser cutting equipment calibration method, the position calibration process of the tool tip point P can be simplified and the calibration efficiency of the position of the tool tip point P can be improved.

[0102] Specifically, the memory 510 includes at least one type of readable storage medium, and the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (such as SD or DX memory, etc.), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM), magnetic memory, disk, optical disk, etc.

[0103] In some embodiments, the memory 510 may be an internal storage unit of the laser cutting device 500, such as a hard disk or memory of the laser cutting device 500. In other embodiments, the memory 510 may also be an external storage device of the laser cutting device 500, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped on the laser cutting device 500. Of course, the memory 510 may also include both the internal storage unit of the laser cutting device 500 and its external storage device.

[0104] In this embodiment, the memory 510 is generally used to store the operating system and various application software installed in the laser cutting device 500, such as the program code of the laser cutting device calibration method, etc. In addition, the memory 510 can also be used to temporarily store various data that have been output or will be output.

[0105] The processor 520 may be a central processing unit (CPU), a controller, a microcontroller, a microprocessor, or other data processing chip in some embodiments. The processor 520 is generally used to control the overall operation of the laser cutting device 500. In this embodiment, the processor 520 is used to run the program code stored in the memory 510 or process data, such as running the program code of the laser cutting device calibration method.

[0106] In addition, the laser cutting device 500 generally includes a display, a communication interface and a bus. The memory 510, the processor 520, the display and the communication interface can communicate with each other through the bus. The display screen is configured to display the user operation interface preset in the initial setting mode, and the display screen can also display the process control window. The communication interface may include a wireless network interface or a wired network interface.

[0107] According to a computer-readable storage medium of the fourth aspect of the present application, a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the above-mentioned laser cutting equipment calibration method are implemented.

[0108] The computer-readable storage medium according to the embodiment of the present application has at least the following beneficial effects: by implementing the above-mentioned laser cutting equipment calibration method, the position calibration process of the tool tip point P can be simplified and the calibration efficiency of the position of the tool tip point P can be improved.

[0109] The computer-readable storage medium provided in the embodiments of the present application may be a USB flash drive, but is not limited to electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, systems or devices, or any combination thereof. More specific embodiments of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device or a magnetic storage device, or any suitable combination thereof.

[0110] In this embodiment, the computer readable storage medium can be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, system, or device. The program code contained on the computer readable storage medium can be transmitted using any appropriate medium, including but not limited to: wires, optical cables, RF (radio frequency), etc., or any suitable combination of the above.

[0111] The computer-readable storage medium may be included in the electronic device, or may exist independently without being loaded into the electronic device.

[0112] The computer program for executing the present application can be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages, such as Java, Smalltalk, C++, and conventional procedural programming languages, such as "C" or similar programming languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer can be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computer (e.g., using an Internet service provider to connect through the Internet).

[0113] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. A method for calibrating a laser cutting device, wherein the laser cutting device comprises an A-axis, a B-axis and a cutting head, wherein the A-axis and the B-axis are both rotating axes, the B-axis is mounted on the A-axis, and the cutting head is mounted on the B-axis, wherein: When the center line of the cutting head is parallel to the Z axis, the position of the cutting head is set as the initial position; the intersection of the center line of the cutting head at the initial position and the axis center of the A axis is set as the rotation center O of the A axis. A ; The laser cutting equipment calibration method comprises the following steps: Moving the cutting head to the initial position; The A-axis drives the cutting head to rotate by a first angle θ; Obtain a first moving distance Z along the Z-axis direction generated by the cutting head tip point P rotating by the first angle θ A ; According to the first angle θ and the first moving distance Z A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ; According to the first actual distance L A The position of the tool tip point P is calibrated.

2. The laser cutting equipment calibration method according to claim 1, characterized in that: The first angle θ is an acute angle, and the " A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ” includes the following steps: According to the formula Calculate the first actual distance L A .

3. The laser cutting equipment calibration method according to claim 2, characterized in that: The first angle θ is not less than 30 degrees and not more than 60 degrees.

4. The laser cutting equipment calibration method according to any one of claims 1 to 3, characterized in that: The intersection of the axis of the B axis and the axis of the A axis is assumed to be the rotation center of the B axis O. b , the laser cutting equipment calibration method further comprises the following steps: Moving the cutting head to the initial position again; The B-axis drives the cutting head to rotate by a second angle β; Obtain a second moving distance Z along the Z-axis direction generated by the cutting head tip point P rotating at the second angle β B ; According to the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ; According to the second actual distance L B The position of the tool tip point P is calibrated.

5. The laser cutting equipment calibration method according to claim 4, characterized in that: The second angle β is an acute angle, and the "according to the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ” includes the following steps: According to the formula Calculate the second actual distance L B .

6. The laser cutting equipment calibration method according to claim 5, characterized in that: The second angle β is not less than 30 degrees and not more than 60 degrees.

7. A laser cutting equipment calibration system, wherein the laser cutting equipment comprises an A-axis, a B-axis and a cutting head, wherein the A-axis and the B-axis are both rotating axes, the B-axis is mounted on the A-axis, and the cutting head is mounted on the B-axis, wherein: When the center line of the cutting head is parallel to the Z axis, the position of the cutting head is set as the initial position; the intersection of the center line of the cutting head at the initial position and the axis center of the A axis is set as the rotation center O of the A axis. A ; The laser cutting equipment calibration system comprises: A moving module, used for moving the cutting head to the initial position; A rotating module, used for causing the A axis to drive the cutting head to rotate by a first angle θ; an acquisition module, for acquiring a first moving distance Z along the Z-axis direction generated by the tool tip point P of the cutting head rotating by the first angle θ A ; A calculation module is used to calculate the first angle θ and the first moving distance Z according to the first angle θ and the first moving distance Z. A , calculate the A-axis rotation center O A The first actual distance L from the tool tip point P A ; A calibration module is used to calibrate the first actual distance L A The position of the tool tip point P is calibrated.

8. The laser cutting equipment calibration system according to claim 7, characterized in that: The intersection of the axis of the B axis and the axis of the A axis is assumed to be the rotation center of the B axis O. B ; The moving module is also used to move the cutting head to the initial position again; The rotation module is also used to make the B axis drive the cutting head to rotate by a second angle β; The acquisition module is also used to acquire a second moving distance Z along the Z-axis direction generated by the tool tip point P of the cutting head rotating by the second angle β. B ; The calculation module is also used to calculate the second angle β and the second moving distance Z B , calculate the second actual distance L between the B-axis rotation center and the A-axis rotation center B ; The calibration module is also used to adjust the actual distance L according to the second B The position of the tool tip point P is calibrated.

9. A laser cutting device, characterized in that: include: a memory storing a computer program; A processor, wherein when executing the computer program, the processor can implement the steps of the laser cutting equipment calibration method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the laser cutting equipment calibration method according to any one of claims 1 to 7 are implemented.

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