CN115709340A - Dual-laser segmentation system and method controlled by upper computer - Google Patents
Dual-laser segmentation system and method controlled by upper computer Download PDFInfo
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- CN115709340A CN115709340A CN202211574753.4A CN202211574753A CN115709340A CN 115709340 A CN115709340 A CN 115709340A CN 202211574753 A CN202211574753 A CN 202211574753A CN 115709340 A CN115709340 A CN 115709340A
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Abstract
The invention relates to the technical field of laser cutting, and discloses a dual-laser cutting system controlled by an upper computer. The upper computer controlled double laser cutting system and the method thereof analyze and optimize finite elements through analyzing the motion process and the structure, realize an optical, mechanical and electrical integrated system by utilizing physical optics, image processing, mechanical transmission, automatic control and the like on the basis of establishing a cutting three-dimensional model, and a laser cutting machine control software system is one of key technologies.
Description
Technical Field
The invention relates to the technical field of laser segmentation, in particular to a dual-laser segmentation system and method controlled by a host computer.
Background
In order to further occupy a larger market share and meet the requirements of consumers, many automobile production companies continuously improve and optimize the process production flow and the part cost on the production of each part, so as to improve the automobile production efficiency and reduce the cost of the whole automobile. In the past, each automobile part is usually produced by stamping a die to obtain a part meeting the requirement, and because the die is abraded greatly in the stamping process, a series of defects and defects of low edge precision, high processing cost and the like of the part exist.
In order to meet the requirements of high efficiency and low cost of laser cutting, a double-laser cutting system is needed to meet the speed of laser cutting, save the time of feeding and discharging, improve the production efficiency of automobile parts, greatly shorten the development time of a new automobile and the production preparation period of the automobile, enable the production of the automobile parts to tend to be full-automatic, and reduce the production cost of the whole automobile, so that the double-laser cutting system and the double-laser cutting method controlled by the upper computer are provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a dual-laser segmentation system and method controlled by an upper computer, which have the advantages of high efficiency, low cost and the like and solve the problem that the efficiency and the cost are to be improved.
(II) technical scheme
In order to achieve the purposes of high efficiency and low cost, the invention provides the following technical scheme: the output end of the control module is in signal connection with the input end of an analysis module, the output end of the analysis module is in signal connection with the input end of a cutting module, the output end of the cutting module is in signal connection with the input end of a processing module, the output end of the processing module is in signal connection with the input end of a driving module, and the output end of the driving module is electrically connected with the input end of a processing module;
the processing module comprises left station rotation type laser cutter, right station rotation type laser cutter, frock module, support module and base module are connected with servo motor, sensor and alarm respectively through the host computer, constitute a rotatory, the drive control platform of exchange.
Preferably, the control module, the analysis module, the segmentation module, the processing module, the segmentation module, the driving module and the processing module are all controlled by an upper computer.
Preferably, the rotational movement of the carrier in the carrier module is driven primarily by a flange connection to the motor.
Preferably, the parsing module is configured to parse a data file corresponding to a current workpiece to be cut, and the dividing module is configured to divide an image in the data file by using a median line, a left boundary line, and a right boundary line in an X-axis direction.
Preferably, the processing module is configured to sequentially process each polygon area or fill area of the image in the data file, and perform segmentation on the polygon area or fill area in a dual laser segmentation mode.
Another technical problem to be solved by the present invention is to provide a dual laser segmentation method controlled by an upper computer, which includes the following steps:
s1, analyzing a workpiece design drawing and generating a processing instruction, wherein a graphic design file of a workpiece adopts a Gerber format of a line and Ik standard, and a workpiece laser cutting software system reads the Gerber file and analyzes layer (Laver) information and Entity (Entity) information, including straight lines and circular arcs.
S2: the motion control of the XY axis workbench and the galvanometer is carried out, the motion conversion of the workbench under a coordinate system and the workpiece under the coordinate system is controlled through a motion controller, the motion control of a single-section linear track and a single-section curved track, the angle and the translational motion of the galvanometer, the continuous motion of the workbench and the galvanometer in a multi-section track and the like are controlled;
s3: performing laser energy output and light path system control, including laser switch control, time delay sequential logic processing, laser energy mode selection, laser energy output mode selection and related parameter setting;
s4: the double-station rotary laser cutting device is structurally designed by using three-dimensional software, the standard tools are replaced according to different pieces to be cut, the overall stability is improved, the standard tools are symmetrically placed at two ends, and the overall stability and safety are ensured to the maximum extent;
s5: the system uses a CCD camera to collect images of the workpiece, analyzes and extracts the position information of the workpiece, and performs automatic positioning processing on the workpiece and automatic correction of a machining finger of the deformed workpiece.
Preferably, in step S1, the user may select a processing layer and a trajectory, designate an outer contour, an inner contour, or a center line to perform cutting processing, and extract entity attribute information: type, line width, color, coordinate point and the like, and performing graphic demonstration and machining instruction generation.
Preferably, the Gerber file in step S1 is in a standard format of EIA, such as: all the workpiece design software such as Protel, PADS and the like can generate Gerber files.
Preferably, the cutting software in step S1 has an outer frame positioning function, and when the customizing function is operated before cutting and conveying, the two-dimensional linear motor worktable is controlled to perform a boundary scanning motion according to a set laser power and quickly according to a rectangular quadrilateral formed by outermost points of four sides in the graph, so as to ensure that the workpiece is within a processing range, and if the workpiece is not within the processing range, the position of the workpiece is manually adjusted.
(III) advantageous effects
Compared with the prior art, the invention provides a dual-laser segmentation system and method controlled by a host computer, which have the following beneficial effects:
the upper computer controlled double-laser segmentation system and the method analyze and optimize a finite element through analyzing a motion process and a structure, realize an optical, mechanical and electrical integrated system by utilizing physical optics, image processing, mechanical transmission, automatic control and the like on the basis of establishing a cutting three-dimensional model, and a laser cutting machine control software system is one of key technologies.
Drawings
Fig. 1 is a diagram of a dual laser segmentation system controlled by a host computer according to the present invention;
fig. 2 is a flowchart of a dual laser segmentation method controlled by an upper computer according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A dual-laser cutting system controlled by an upper computer comprises a control module, wherein the output end of the control module is in signal connection with the input end of an analysis module, the output end of the analysis module is in signal connection with the input end of a cutting module, the output end of the cutting module is in signal connection with the input end of a processing module, the output end of the processing module is in signal connection with the input end of a driving module, and the output end of the driving module is electrically connected with the input end of a processing module;
the processing module comprises left station rotation type laser cutter, right station rotation type laser cutter, the frock module, support module and base module, the rotary motion of support mainly drives through the ring flange connection with the motor in the support module, the frock module, support module and base module pass through the host computer respectively with servo motor, sensor and alarm are connected, constitute a rotation, the drive control platform of exchange, control module, analysis module, cut apart the module, processing module, cut apart the module, drive module and processing module are controlled by the host computer.
In this embodiment, the parsing module is configured to parse a data file corresponding to a workpiece to be currently cut, and the segmentation module is configured to segment an image in the data file according to an X-axis direction by using a median line, a left boundary line, and a right boundary line.
It should be noted that the processing module is configured to sequentially process each polygon area or fill area of the image in the data file, and perform segmentation on the polygon area or fill area in a dual laser segmentation mode.
A dual laser segmentation method controlled by an upper computer comprises the following steps:
s1: analyzing a workpiece design drawing and generating a processing instruction, wherein a graphic design file of the workpiece adopts a Gerber format of a line and I k standard, and the Gerber file is in an EIA standard format, such as: the Gerber file can be generated by all workpiece design software such as Protel, PADS and the like, a workpiece laser cutting software system reads the Gerber file, the cutting software has an outer frame positioning function, when the positioning function is operated before cutting and conveying, a two-dimensional linear motor workbench is controlled, boundary scanning movement is rapidly executed according to a right-angled quadrangle formed by points on the outermost sides of four sides in the graph according to set laser power, so that the workpiece is ensured to be in a processing range, if the workpiece is not in the processing range, the position of the workpiece is manually adjusted, image layer (Laver) information and entity (entity) information are analyzed, wherein the image layer (Laver) information and the entity (entity) information comprise straight lines and circular arcs, a user can select a processing layer and a track, designate an outer contour, an inner contour or a center line for cutting processing, and extract entity attribute information: type, line width, color, coordinate point, etc., to perform graphic demonstration and machining instruction generation.
S2: the motion control of the XY axis workbench and the galvanometer is carried out, the motion conversion of the workbench under a coordinate system and the workpiece under the coordinate system is controlled through a motion controller, the motion control of a single-section linear track and a single-section curved track, the angle and the translational motion of the galvanometer, the continuous motion of the workbench and the galvanometer in a multi-section track and the like are controlled;
s3: performing laser energy output and light path system control, including laser switch control, time delay sequential logic processing, laser energy mode selection, laser energy output mode selection and related parameter setting;
s4: the double-station rotary laser cutting device is structurally designed by using three-dimensional software, the standard tools are replaced according to different pieces to be cut, the overall stability is improved, the standard tools are symmetrically placed at two ends, and the overall stability and safety are ensured to the maximum extent;
s5: the system uses a CCD camera to collect images of the workpiece, analyzes and extracts the position information of the workpiece, and performs automatic positioning processing on the workpiece and automatic correction of a machining finger of the deformed workpiece.
The invention has the beneficial effects that: the laser cutting machine control software system is one of key technologies, realizes high-speed and accurate laser scanning cutting numerical control through a computer vision technology, has the advantages of safety, reliability, high stability and the like, effectively meets the actual use requirements of laser cutting, and can be completely used for full-automatic cutting of laser equipment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The upper computer controlled double-laser cutting system comprises a control module and is characterized in that the output end of the control module is in signal connection with the input end of an analysis module, the output end of the analysis module is in signal connection with the input end of a cutting module, the output end of the cutting module is in signal connection with the input end of a processing module, the output end of the processing module is in signal connection with the input end of a driving module, and the output end of the driving module is electrically connected with the input end of a processing module;
the processing module comprises left station rotation type laser cutting ware, right station rotation type laser cutting ware, frock module, support module and base module are connected with servo motor, sensor and alarm respectively through the host computer, constitute a rotatory, the drive control platform of exchanging.
2. The upper computer controlled dual laser segmentation system of claim 1, wherein the control module, the parsing module, the segmentation module, the processing module, the segmentation module, the driving module, and the processing module are all controlled by an upper computer.
3. The upper computer controlled dual laser singulation system of claim 1 wherein the rotational movement of the support in the support module is driven primarily by a flange connection to a motor.
4. The upper computer-controlled dual-laser segmentation system according to claim 1, wherein the parsing module is configured to parse a data file corresponding to a current workpiece to be cut, and the segmentation module is configured to segment an image in the data file according to an X-axis direction by using a median line, a left boundary line, and a right boundary line.
5. The upper-computer-controlled dual-laser segmentation system of claim 1, wherein the processing module is configured to sequentially process each polygon area or fill area of the image in the data file, and perform segmentation on the polygon area or fill area in a dual-laser segmentation mode.
6. A dual laser segmentation method controlled by an upper computer is characterized by comprising the following steps:
s1, analyzing a workpiece design drawing and generating a processing instruction, wherein a graphic design file of a workpiece adopts a Gerber format of a line and Ik standard, and a workpiece laser cutting software system reads the Gerber file and analyzes layer (Laver) information and Entity (Entity) information, including straight lines and circular arcs.
S2, controlling the motion of the XY-axis workbench and the galvanometer, controlling the conversion of the down-motion of the workbench coordinate system and the down-motion of the workpiece coordinate system through a motion controller, controlling the motion of a single-section linear track and a single-section curved track, controlling the angle and the translation motion of the galvanometer, continuously moving the workbench and the galvanometer in a multi-section track manner and the like;
s3, performing laser energy output and light path system control, including laser switch control, time delay sequential logic processing, laser energy mode selection, laser energy output mode selection and related parameter setting;
s4, structural design is carried out on the double-station rotary laser cutting device by using three-dimensional software, the standard tool is replaced according to different pieces to be cut, the overall stability is improved, the standard tool is symmetrically placed at two ends, and the overall stability and safety are guaranteed to the maximum extent;
and S5, a workpiece automatic positioning and workpiece deformation processing correction module is used for acquiring images of the workpiece by using a CCD camera, analyzing and extracting the position information of the workpiece, and performing automatic positioning processing on the workpiece and automatic correction on a deformed workpiece processing finger.
7. The upper-computer-controlled dual-laser segmentation system as claimed in claim 1, wherein in step S1, the user can select a processing layer and a processing track, designate an outer contour, an inner contour or a central line for cutting processing, and extract entity attribute information: type, line width, color, coordinate point, etc., to perform graphic demonstration and machining instruction generation.
8. The system according to claim 1, wherein the Gerber file in step S1 is in a standard format of EIA, such as: all the workpiece design software such as Protel, PADS and the like can generate Gerber files.
9. The upper-computer-controlled dual-laser splitting system as claimed in claim 1, wherein the cutting software in step S1 has an outer frame positioning function, and when the positioning function is operated before cutting, the two-dimensional linear motor stage is controlled to perform a boundary scan motion at a set laser power according to a rectangular quadrilateral formed by the outermost points of four sides in the graph, so as to ensure that the workpiece is within the processing range, and if the workpiece is not within the processing range, the workpiece position is manually adjusted.
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| CN202211574753.4A CN115709340A (en) | 2022-12-08 | 2022-12-08 | Dual-laser segmentation system and method controlled by upper computer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102724A (en) * | 2023-10-25 | 2023-11-24 | 宁波经纬数控股份有限公司 | Multi-cutting-head cutting path control method and cutting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117102724A (en) * | 2023-10-25 | 2023-11-24 | 宁波经纬数控股份有限公司 | Multi-cutting-head cutting path control method and cutting equipment |
| CN117102724B (en) * | 2023-10-25 | 2024-02-23 | 宁波经纬数控股份有限公司 | Multi-cutting-head cutting path control method and cutting equipment |
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