CN112658491A - Control method and device of laser marking machine and laser marking machine - Google Patents
Control method and device of laser marking machine and laser marking machine Download PDFInfo
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Abstract
The invention discloses a control method and device of a laser marking machine and the laser marking machine. Wherein, the method comprises the following steps: acquiring the point position number of points to be marked of the laser marking machine; determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation; and controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode. The invention solves the technical problems that in the prior art, an optimal marking path is difficult to determine in the process of carrying out laser marking by adopting a laser standard-reaching device, and the marking efficiency is low due to the influence on the integral marking beat.
Description
Technical Field
The invention relates to the field of laser marking machines, in particular to a control method and device of a laser marking machine and the laser marking machine.
Background
In the prior art, in the process of carrying out laser marking by adopting a laser standard-reaching device, multi-point marking is often encountered, and a workpiece is moved to one point position by a motion platform to be marked and then moved to another point position to be marked until marking is completed. However, since the marking control system does not optimize the path, but marks the path sequentially according to the point positions set by the user, in this case, the user needs to design the optimal path by himself, and the user generally has difficulty in selecting the optimal path, which wastes resources and affects the overall beat of marking, resulting in low marking efficiency.
Aiming at the problems that in the prior art, an optimal marking path is difficult to determine in the process of carrying out laser marking by adopting a laser standard-reaching device, and the whole marking beat is influenced, so that the marking efficiency is low, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a control method and device of a laser marking machine and the laser marking machine, which at least solve the technical problems that in the prior art, an optimal marking path is difficult to determine in the process of carrying out laser marking by adopting a laser standard device, and the whole marking beat is influenced, so that the marking efficiency is low.
According to an aspect of the embodiments of the present invention, there is provided a control method of a laser marking machine, including: acquiring the point position number of points to be marked of the laser marking machine; determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation; and controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode.
Optionally, determining a target path calculation manner corresponding to the number of point locations includes: if the point location number is a first number, determining a first path calculation mode corresponding to the first number, wherein the first path calculation mode is a path calculation mode adopting an enumeration algorithm; and if the point location number is a second number, determining a second path calculation mode corresponding to the second number, wherein the first path calculation mode is a path calculation mode adopting a greedy algorithm, and the second number is greater than the first number.
Optionally, the target path is obtained by using the first path calculation method through the following calculation: simulating all motion conditions of traversing each point position to be marked by the laser marking machine to obtain a feasible path set; and selecting the shortest path in the feasible path set as the target path.
Optionally, selecting a shortest path in the feasible path set includes: randomly selecting a feasible path from the feasible path set; comparing the feasible paths with other feasible paths in the feasible path set one by one; and selecting the shortest path in the feasible path set based on the comparison result.
Optionally, selecting a shortest path in the feasible path set includes: sorting the feasible paths in the feasible path set by using a sorting algorithm, wherein the sorting algorithm comprises at least one of the following: a fast sorting method, a hill sorting method, a bubble sorting method; and selecting the shortest path in the feasible path set based on the sorting result.
Optionally, the second path calculation method calculates the target path by using the following method: determining the distance value of any two point positions to be marked according to the received point position information to be marked; storing the identifications of the any two point positions to be marked and the distance value by adopting a storage array; and selecting the shortest path of the storage array as the target path based on the identifier and the distance value.
According to another aspect of the embodiments of the present invention, there is also provided a control device of a laser marking machine, including: the acquisition module is used for acquiring the point location number of points to be marked of the laser marking machine; the determining module is used for determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation; and the control module is used for controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode.
According to another aspect of the embodiments of the present invention, there is also provided a non-volatile storage medium, wherein the non-volatile storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing any one of the above control methods of the laser marking machine.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program is configured to execute any one of the above control methods of the laser marking machine when running.
According to another aspect of the embodiments of the present invention, there is also provided a laser marking machine, including a memory and a processor, where the memory stores a computer program, and the processor is configured to execute the computer program to execute any one of the above control methods of the laser marking machine.
In the embodiment of the invention, the point position number of the point positions to be marked of the laser marking machine is obtained; determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation; the laser marking machine is controlled to execute the marking operation according to the target path determined by the target path calculation mode, and the purpose of determining the optimal marking path in the laser marking process by adopting the laser standard-reaching device is achieved, so that the technical effect of improving the marking efficiency and avoiding resource waste is achieved, and the technical problem that in the prior art, the optimal marking path is difficult to determine in the laser marking process by adopting the laser standard-reaching device, and the marking efficiency is low due to the influence on the whole marking beat is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a control method of a laser marking machine according to an embodiment of the present invention;
FIG. 2 is a flow chart of an alternative method of controlling a laser marking machine according to an embodiment of the present invention;
FIG. 3 is a flow chart of an alternative method of controlling a laser marking machine according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control device of a laser marking machine according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided an embodiment of a method for controlling a laser marking machine, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a control method of a laser marking machine according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
step S102, acquiring the point location number of the point locations to be marked of the laser marking machine;
step S104, determining a target path calculation mode corresponding to the point position number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation;
and step S106, controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode.
In the embodiment of the invention, the point position number of the point positions to be marked of the laser marking machine is obtained; determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation; the laser marking machine is controlled to execute the marking operation according to the target path determined by the target path calculation mode, and the purpose of determining the optimal marking path in the laser marking process by adopting the laser standard-reaching device is achieved, so that the technical effect of improving the marking efficiency and avoiding resource waste is achieved, and the technical problem that in the prior art, the optimal marking path is difficult to determine in the laser marking process by adopting the laser standard-reaching device, and the marking efficiency is low due to the influence on the whole marking beat is solved.
Optionally, the laser marking machine is used for marking on the surfaces of various materials by using laser beams, and the marking effect is that deep-layer materials are exposed through evaporation of surface-layer materials, so that exquisite patterns, trademarks and characters are carved.
In the embodiment of the application, the point location number of the point locations to be marked of the laser marking machine is obtained, the target path calculation mode corresponding to the point location number is determined according to the number of the point locations to be marked, the target path of the laser marking machine when the marking operation is executed is obtained through the determined target path calculation mode, and the laser marking machine is controlled to execute the marking operation according to the target path.
In an optional embodiment, determining a target path calculation manner corresponding to the number of point locations includes:
step S202, if the point location number is a first number, determining a first path calculation mode corresponding to the first number, wherein the first path calculation mode is a path calculation mode adopting an enumeration algorithm;
step S204, if the point location number is a second number, determining a second path calculation mode corresponding to the second number, wherein the first path calculation mode is a path calculation mode adopting a greedy algorithm, and the second number is greater than the first number.
Optionally, the first number is set opposite to the second number, the first number is a relatively small number, and the second number is a relatively large number, for example, the first number may be 10 or 20, and the second number may be 100 or 200.
In the above optional embodiment of the present application, the first path calculation manner corresponding to the first number is a path calculation manner using an enumeration algorithm, and the second path calculation manner corresponding to the second number is a path calculation manner using a greedy algorithm.
In an optional embodiment, the target path is calculated by using the first path calculation method as follows:
step S302, simulating all motion conditions of the laser marking machine traversing each point to be marked to obtain a feasible path set;
step S304, selecting the shortest path in the feasible path set as the target path.
In the embodiment of the application, the first path calculation mode is adopted to traverse all motion conditions of each point to be marked by the simulated laser marking machine to obtain a feasible path set, and then the shortest path in the feasible path set is selected as the target path.
In an optional embodiment, selecting the shortest path in the feasible path set includes:
step S402, randomly selecting a feasible path from the feasible path set;
step S404, comparing the feasible paths with other feasible paths in the feasible path set one by one;
step S406, selecting the shortest path in the feasible path set based on the comparison result.
Optionally, in this embodiment of the application, when selecting the shortest path in the feasible path set, but not limited to, randomly selecting a feasible path from the feasible path set; comparing the feasible paths with other feasible paths in the feasible path set one by one; and selecting the shortest path in the feasible path set based on the comparison result.
In an optional embodiment, selecting the shortest path in the feasible path set includes:
step S502, sorting the feasible paths in the feasible path set by using a sorting algorithm, wherein the sorting algorithm comprises at least one of the following: a fast sorting method, a hill sorting method, a bubble sorting method;
step S504, based on the sorting result, the shortest path in the feasible path set is selected.
Optionally, in the embodiment of the present application, when selecting the shortest path in the feasible path set, but not limited to, randomly selecting a feasible path from the feasible path set; comparing the feasible paths with other feasible paths in the feasible path set one by one; and selecting the shortest path in the feasible path set based on the comparison result.
As an optional embodiment, if the first path calculation manner is determined based on the number of point locations to be marked, the first path calculation manner is adopted to simulate all movement conditions of the laser marking machine traversing each point location to be marked, as shown in fig. 2, all feasible path sets a [ n ] are listed, then the shortest path (i.e., target path, optimal path) in the feasible path sets a [ n ] is found, the minimum value is found in the feasible path sets, the minimum value can be obtained by one-by-one comparison shown in fig. 2, elements in the feasible path sets a [ n ] can also be sorted from small to large or from large to small, and then the first value a [0] or a [ max ] is removed, i.e., the optimal path m. In the sequencing result, algorithms such as quick sequencing, Hill sequencing, bubble sequencing and the like can be used for sequencing, and the laser marking machine module is controlled to move according to the calculated optimal path.
In an optional embodiment, the second path calculation means calculates the target path by:
step S602, determining the distance value of any two point positions to be marked according to the received point position information to be marked;
step S604, storing the identifications of the any two point positions to be marked and the distance value by adopting a storage array;
step S606, based on the identifier and the distance value, selecting the shortest path of the storage array as the target path.
In the embodiment of the present application, the greedy algorithm is also called a greedy algorithm, that is, when solving a problem, the selection which is the best currently is always made, not considered as a whole. And calculating an optimal path according to a greedy algorithm, wherein the algorithm is suitable for the condition that the moving point positions of the laser marking machine are more.
In the embodiment of the application, a greedy algorithm is adopted to compare and calculate a plurality of paths in the storage array based on the identifier and the distance value, and the shortest path of the storage array is selected as the target path.
As an alternative embodiment, as shown in fig. 3, the selecting the shortest path of the storage array as the target path by using the greedy algorithm may be implemented by the following steps:
and a recording step, namely obtaining the distance between any two points according to the point location information input by the user, and recording the distance into a two-bit array D [ n ] [ n ], wherein n is the number of the point locations.
And an initialization step of initializing data, wherein S [1] is equal to 1, Sum is equal to 0, and I is equal to 2. The S array is used for storing the accessed optimal point location, namely the point location accessed by the storage array (marking machine module) for the I time is in S [ I ], Sum is the Sum of the distances of the optimal path for movement, and I is the number of times of access to the point location for movement.
And a searching step, namely searching the point location j closest to the distance S [ I-1] from the point locations which are not reached by the module. The search process is as follows:
1) initializing data K to 2;
2) let Dtemp be a large number (infinite or greater than the distance between any two points);
3) l is 1, and is used for indicating the flag bit of the accessed point to prevent repeated access;
4) if S [ L ] ═ K, jump to step 8;
5)L＝L+1；
6) if L <1, skipping to step 4;
7) if D [ K, S [ I-1] ] < Dtemp, J ═ K; dtemp ═ D [ K, S [ I-1] ];
8)K＝K+1；
9) if K < ═ N, jumping to step 3;
and storing the found point J into an S array, and calculating the shortest path of the module motion by Sum + Dtemp, wherein I +1 and the access times + 1.
Judging step, judging that I > is N, if not, jumping to the third step, if yes, entering the next step
Outputting the elements in S [ N ], namely the optimal path point position sequence of the laser marking machine module motion; and continuously outputting the distance value of the optimal path Sum of the marking machine. And then the laser marking machine module can be controlled to move according to the sequence of the optimal path Sum and the optimal point position sequence S [ N ].
Example 2
According to an embodiment of the present invention, there is further provided an embodiment of an apparatus for implementing the method for controlling a laser marking machine, fig. 4 is a schematic structural diagram of a control apparatus of a laser marking machine according to an embodiment of the present invention, and as shown in fig. 4, the control apparatus of a laser marking machine includes: an obtaining module 400, a determining module 402, and a control module 404, wherein:
the obtaining module 400 is configured to obtain the number of point locations to be marked of the laser marking machine; a determining module 402, configured to determine a target path calculation manner corresponding to the number of point locations, where the target path calculation manner is used to calculate a target path of the laser marking machine during marking operation; a control module 404, configured to control the laser marking machine to perform the marking operation according to the target path determined by the target path calculation method.
It should be noted that the above modules may be implemented by software or hardware, for example, for the latter, the following may be implemented: the modules can be located in the same processor; alternatively, the modules may be located in different processors in any combination.
It should be noted here that the above-mentioned obtaining module 400, determining module 402 and control module 404 correspond to steps S102 to S106 in embodiment 1, and the above-mentioned modules are the same as the examples and application scenarios realized by the corresponding steps, but are not limited to what is disclosed in embodiment 1. It should be noted that the modules described above may be implemented in a computer terminal as part of an apparatus.
It should be noted that, reference may be made to the relevant description in embodiment 1 for alternative or preferred embodiments of this embodiment, and details are not described here again.
The control device of the laser marking machine may further include a processor and a memory, the acquiring module 400, the determining module 402, the control module 404, and the like are all stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory, wherein one or more than one kernel can be arranged. The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to an embodiment of the present application, there is also provided an embodiment of a non-volatile storage medium. Optionally, in this embodiment, the nonvolatile storage medium includes a stored program, and the apparatus in which the nonvolatile storage medium is located is controlled to execute the control method of any one of the laser marking machines when the program runs.
Optionally, in this embodiment, the nonvolatile storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals, and the nonvolatile storage medium includes a stored program.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: acquiring the point position number of points to be marked of the laser marking machine; determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation; and controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: if the point location number is a first number, determining a first path calculation mode corresponding to the first number, wherein the first path calculation mode is a path calculation mode adopting an enumeration algorithm; and if the point location number is a second number, determining a second path calculation mode corresponding to the second number, wherein the first path calculation mode is a path calculation mode adopting a greedy algorithm, and the second number is greater than the first number.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: simulating all motion conditions of traversing each point position to be marked by the laser marking machine to obtain a feasible path set; and selecting the shortest path in the feasible path set as the target path.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: randomly selecting a feasible path from the feasible path set; comparing the feasible paths with other feasible paths in the feasible path set one by one; and selecting the shortest path in the feasible path set based on the comparison result.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: sorting the feasible paths in the feasible path set by using a sorting algorithm, wherein the sorting algorithm comprises at least one of the following: a fast sorting method, a hill sorting method, a bubble sorting method; and selecting the shortest path in the feasible path set based on the sorting result.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: determining the distance value of any two point positions to be marked according to the received point position information to be marked; storing the identifications of the any two point positions to be marked and the distance value by adopting a storage array; and selecting the shortest path of the storage array as the target path based on the identifier and the distance value.
According to an embodiment of the present application, there is also provided an embodiment of a processor. Optionally, in this embodiment, the processor is configured to execute a program, where the program executes the control method of any one of the laser marking machines when running.
According to an embodiment of the present application, there is further provided an embodiment of a laser marking machine, including a memory and a processor, where the memory stores a computer program, and the processor is configured to run the computer program to execute any one of the above control methods of the laser marking machine.
According to an embodiment of the present application, there is also provided an embodiment of a computer program product, which, when executed on a data processing device, is adapted to execute a program initializing the steps of the control method of the laser marking machine of any of the above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable non-volatile storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a non-volatile storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned nonvolatile storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A control method of a laser marking machine is characterized by comprising the following steps:
acquiring the point position number of points to be marked of the laser marking machine;
determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation;
and controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode.
2. The method of claim 1, wherein determining a target path computation mode corresponding to the number of point locations comprises:
if the point location number is a first number, determining a first path calculation mode corresponding to the first number, wherein the first path calculation mode is a path calculation mode adopting an enumeration algorithm;
and if the point location number is a second number, determining a second path calculation mode corresponding to the second number, wherein the first path calculation mode is a path calculation mode adopting a greedy algorithm, and the second number is greater than the first number.
3. The method according to claim 2, wherein the target path is calculated by the first path calculation method as follows:
simulating all motion conditions of the laser marking machine traversing each point position to be marked to obtain a feasible path set;
and selecting the shortest path in the feasible path set as the target path.
4. The method of claim 3, wherein selecting the shortest path in the set of feasible paths comprises:
randomly selecting a feasible path from the feasible path set;
comparing the feasible paths with other feasible paths in the feasible path set one by one;
and selecting the shortest path in the feasible path set based on the comparison result.
5. The method of claim 3, wherein selecting the shortest path in the set of feasible paths comprises:
sorting the feasible paths in the feasible path set by using a sorting algorithm, wherein the sorting algorithm comprises at least one of the following: a fast sorting method, a hill sorting method, a bubble sorting method;
and selecting the shortest path in the feasible path set based on the sorting result.
6. The method of claim 2, wherein the second path calculation is performed to obtain the target path by:
determining the distance value of any two point positions to be marked according to the received point position information to be marked;
storing the identifications of any two point positions to be marked and the distance value by adopting a storage array;
and selecting the shortest path of the storage array as the target path based on the identification and the distance value.
7. A control device of a laser marking machine, comprising:
the acquisition module is used for acquiring the point location number of points to be marked of the laser marking machine;
the determining module is used for determining a target path calculation mode corresponding to the point location number, wherein the target path calculation mode is used for calculating and obtaining a target path when the laser marking machine executes marking operation;
and the control module is used for controlling the laser marking machine to execute the marking operation according to the target path determined by the target path calculation mode.
8. A non-volatile storage medium, characterized in that it stores a plurality of instructions adapted to be loaded by a processor and to execute the method of controlling a laser marking machine according to any one of claims 1 to 6.
9. A processor for running a program, wherein the program is arranged to execute the method of controlling a laser marking machine of any of claims 1 to 6 when run.
10. A laser marking machine comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of controlling a laser marking machine of any of claims 1 to 6.
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| CN113204208A (en) * | 2021-05-11 | 2021-08-03 | 珠海格力智能装备有限公司 | Desktop application program establishing method and chip surface marking control method |
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