CN105643096A - Target positioning method and device based on laser processing machine table and laser processing machine table - Google Patents
Target positioning method and device based on laser processing machine table and laser processing machine table Download PDFInfo
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- CN105643096A CN105643096A CN201610184392.0A CN201610184392A CN105643096A CN 105643096 A CN105643096 A CN 105643096A CN 201610184392 A CN201610184392 A CN 201610184392A CN 105643096 A CN105643096 A CN 105643096A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
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Abstract
The invention relates to a target positioning method and device based on a laser processing machine table and the laser processing machine table. The method includes the steps that an indicating light switching-on instruction is acquired; indicating light generated by an indicating light source is projected on a work platform according to the indicating light switching-on instrument to form indicating light spots; a user operation instruction is received, the work platform is moved according to the user operation instruction, and when a workpiece target fixed to the work platform is moved to the indicating light spots, a trigger positioning instruction is triggered; the position of a camera relative to the indicating light source is acquired according to the target positioning instruction, the work platform is moved according to the relative position, and the workpiece target is positioned in a field of view of the camera. According to the target positioning method and device based on the laser processing machine table and the laser processing machine table, the positioning process of the workpiece target is easier and rapider, and therefore the speed of target positioning is increased and the accuracy of target positioning is improved.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of based on the Laser Processing target localization method of board, device and Laser Processing board.
Background technology
It is laser machine board to realize the basic premise of the functions such as original correction, target location, target recognition, automatic processing that target positions, and target location is by the whole efficiency of improving laser machine table in the work efficiency laser machined and machining accuracy etc. fast and accurately.
The target location of the camera of traditional Laser Processing board, is adjust work platforms by the image of observation camera to realize target location, and in adjustment process, work platforms moves according to default moving step pitch. Because the workpiece target on platform is smaller, and the visual field of camera is narrower, if setting bigger moving step pitch, it is possible to because work platforms moving step pitch is bigger, when the moving process of work platforms misses workpiece target, cannot observe in the image of camera; If setting less step pitch, then operating process needs repeatedly to adjust, so that the operating process of target location is comparatively laborious.
Summary of the invention
Based on this, it is necessary to for the problem that the operating process of target location is loaded down with trivial details, it is provided that the target localization method of a kind of camera, device and Laser Processing board.
A kind of target localization method based on Laser Processing board, described method includes:
Obtain instruction light open command;
According to described instruction light open command, the instruction light that instruction light source produces is projected formation on work platforms and indicate hot spot;
Receive user operation instruction, move described work platforms according to described user operation instruction, after the workpiece target being fixed on described work platforms moves to described instruction hot spot place, trigger target positioning instruction;
Obtain the relative position of camera and described instruction light source according to described target positioning instruction, and move described work platforms according to described relative position, make described workpiece target navigate in the visual field of described camera.
Wherein in an embodiment, described move described work platforms according to described user operation instruction, including:
Extract the moving direction in described user operation instruction and mobile step number;
Described work platforms is moved with default moving step pitch according to described moving direction and described mobile step number.
Wherein in an embodiment, described after the workpiece target being fixed on described work platforms moves to described instruction hot spot place, trigger target positioning instruction, including:
Detect the operation to the target navigation button in operating platform after the workpiece target being fixed on described work platforms moves to described instruction hot spot place;
When the operation to described target navigation button being detected, trigger target positioning instruction.
Wherein in an embodiment, the described relative position obtaining camera and described instruction light source according to described target positioning instruction, and move described work platforms according to described relative position, including:
The relative position of camera and described instruction light source is obtained according to described target positioning instruction;
Work platforms move is generated according to described relative position;
Described work platforms is moved according to described work platforms move.
Wherein in an embodiment, the described relative position obtaining camera and described instruction light source according to described target positioning instruction, including:
Extract the image center of described instruction hot spot and the camera coordinate in work platforms coordinate system;
According to the coordinate coordinates computed vector extracted, represent described camera and the relative position of described instruction light source with described coordinate vector.
The target localization method of above-mentioned camera, after obtaining instruction light open command, according to instruction light open command, instruction light is projected formation on work platforms and indicate hot spot, according to operational order, work platforms is operated, being operated by making to be fixed on the workpiece target of work platforms, to move to instruction hot spot place rower of going forward side by side fixed, instruction cursor is being fixed on after on workpiece target, work platforms is moved by the target positioning instruction according to receiving, and makes the workpiece target of demarcation navigate in the visual field of camera. So, higher in the multiplying power of narrow visual field camera, make under the premise that machining accuracy in the course of processing is higher, make instruction light that workpiece target to be demarcated by mobile working platform, after demarcating, according to the target positioning instruction mobile working platform received, the workpiece target of demarcation is navigated in the visual field of camera, make the process that workpiece target positions simpler and more direct, improve speed and the accuracy of target location, thus the quality that improve in laser processing procedure and efficiency.
A kind of target positioner based on Laser Processing board, it is characterised in that described device includes:
Open command acquisition module, is used for obtaining instruction light open command;
Instruction light opening module, indicates hot spot for the instruction light that instruction light source produces being projected formation on work platforms according to described instruction light open command;
Operational order receiver module, is used for receiving user operation instruction, moves described work platforms according to described user operation instruction, after the workpiece target being fixed on described work platforms moves to described instruction hot spot place, triggers target positioning instruction;
Workpiece target locating module, for obtaining the relative position of camera and described instruction light source according to described target positioning instruction, and moves described work platforms according to described relative position, makes described workpiece target navigate in the visual field of described camera.
Wherein in an embodiment, described operational order receiver module includes:
Operating parameter extraction module, is used for moving direction and the movement step number of extracting in described user operation instruction;
Work platforms mobile module, for moving described work platforms according to described moving direction and described mobile step number with default moving step pitch.
Wherein in an embodiment, described operational order receiver module includes:
Navigation button detection module, for detecting after the workpiece target being fixed on described work platforms moves to described instruction hot spot place the operation to the target navigation button in operating platform;
Positioning instruction trigger module, for when the operation to described target navigation button being detected, triggering target positioning instruction.
Wherein in an embodiment, described workpiece target locating module includes:
Relative position acquisition module, for obtaining the relative position of camera and described instruction light source according to described target positioning instruction;
Move generation module, for generating work platforms move according to described relative position;
Move performs module, for moving described work platforms according to described work platforms move.
The target positioner of above-mentioned camera, after obtaining instruction light open command, according to instruction light open command, instruction light is projected formation on work platforms and indicate hot spot, according to operational order, work platforms is operated, being operated by making to be fixed on the workpiece target of work platforms, to move to instruction hot spot place rower of going forward side by side fixed, instruction cursor is being fixed on after on workpiece target, work platforms is moved by the target positioning instruction according to receiving, and makes the workpiece target of demarcation navigate in the visual field of camera. So, higher in the multiplying power of narrow visual field camera, make under the premise that machining accuracy in the course of processing is higher, make instruction light that workpiece target to be demarcated by mobile working platform, after demarcating, according to the target positioning instruction mobile working platform received, the workpiece target of demarcation is navigated in the visual field of camera, make the process that workpiece target positions simpler and more direct, improve speed and the accuracy of target location, thus the quality that improve in laser processing procedure and efficiency.
A kind of Laser Processing board, it is characterised in that including: operating platform, camera, instruction light source and work platforms; Described operating platform is connected with described camera, instruction light source and work platforms respectively;
Described operating platform is used for receiving instruction light open command and user operation instruction;
Described camera is for the workpiece target imaging being fixed on described work platforms;
Described instruction light source opens instruction light according to described instruction light open command, and described instruction light projects formation instruction hot spot on work platforms;
Described work platforms is for moving according to described user operation instruction, after making the workpiece target being fixed on described work platforms move to described instruction hot spot;
Described operating platform is additionally operable to after the workpiece target being fixed on work platforms moves to described instruction hot spot place, triggers target positioning instruction;
Described work platforms is additionally operable to obtain the relative position of camera and described instruction light source according to described target positioning instruction, and moves according to described relative position, makes described workpiece target navigate in the visual field of described camera.
Above-mentioned Laser Processing board, after operating platform receives instruction light open command, indicate light source according to indicating light open command that instruction light projects formation hot spot on work platforms, the user operation instruction that work platforms receives according to operating platform moves, the workpiece target being fixed on work platforms is made to move to instruction hot spot place, after operating platform triggers target positioning instruction, work platforms obtains camera and the relative position of instruction light source according to target positioning instruction, move according to relative position, make workpiece target navigate in the visual field of camera.So, on Laser Processing board, higher in the multiplying power of narrow visual field camera, in the course of processing, when the high magnification of narrow visual field camera can improve machining accuracy, the process of workpiece target location is simpler and more direct, improves speed and the accuracy of target location, thus the quality improved in laser processing procedure and efficiency.
Accompanying drawing explanation
Fig. 1 is the applied environment figure of the target alignment system in an embodiment based on Laser Processing board;
Fig. 2 is the schematic flow sheet of the target localization method in an embodiment based on Laser Processing board;
Fig. 3 extracts the schematic flow sheet of the step of operating parameter in user operation instruction in one embodiment;
Fig. 4 is the schematic flow sheet of the detecting step of an embodiment acceptance of the bid target navigation button;
Fig. 5 is the schematic flow sheet of the step in an embodiment according to move mobile working platform;
Fig. 6 is the structured flowchart of the target positioner in an embodiment based on Laser Processing board;
Fig. 7 is the structured flowchart of operational order receiver module in an embodiment;
Fig. 8 is the structured flowchart of operational order receiver module in another embodiment;
Fig. 9 is the structured flowchart of workpiece target locating module in an embodiment;
Figure 10 is the structured flowchart laser machining platform in an embodiment.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the applied environment figure of the target alignment system in an embodiment based on Laser Processing board, target alignment system based on Laser Processing board includes operating platform 110, camera 120, instruction light source 130 and work platforms 140, the camera lens of camera 120 is vertical with work platforms 140 place plane with the light-emitting window of instruction light source 130, is wherein at least integrated with at least one in operating platform 110, camera 120, instruction light source 130 and work platforms 140 on Laser Processing board. Camera 120 can be the industrial camera that high accuracy, high magnification and visual field are narrower, can be specifically CCD camera (ChargeCoupledDevice, charge-coupled image sensor).
As shown in Figure 2, in one embodiment, a kind of target localization method based on Laser Processing board is provided, the method is particularly applicable on the operating platform 110 of the target alignment system based on Laser Processing board, operating platform 110 runs the target finder having based on Laser Processing board, by implementing the localization method based on Laser Processing platform based on the target finder of Laser Processing board, the method specifically includes following steps:
Step 202, obtains instruction light open command.
Specifically, in the course of processing of Laser Processing board, it is operated by the platform 110 instruction upper parts to Laser Processing board and is controlled. User inputs instruction light open command on operating platform 110, and operating platform 110 controls instruction light source according to instruction light open command and opens instruction light.
Step 204, projects formation on work platforms according to instruction light open command by the instruction light that instruction light source produces and indicates hot spot.
Specifically, instruction light source 130, after receiving instruction light open command, is performed open operation by operating platform 110. After opening instruction light source 130, indicating light source 130 to launch instruction light beam, instruction light beam is vertical with work platforms, and instruction light beam is projected on work platforms 140 by instruction light source 130, forms instruction hot spot on work platforms.
Step 206, receives user operation instruction, according to user operation instruction mobile working platform, after the workpiece target being fixed on work platforms moves to instruction hot spot place, triggers target positioning instruction.
Specifically, operating platform 110 receives the user operation instruction of input, and operating platform 120 controls work platforms 140 according to user operation instruction. Processing work is fixed on work platforms, using processing work as workpiece target. The workpiece target being fixed on work platforms 140, according to user operation instruction mobile working platform 140, is moved to instruction hot spot place by mobile working platform 140, makes instruction dot projection to workpiece target by operating platform 120. After the workpiece target being fixed on work platforms 140 moves to instruction hot spot place, then on operating platform 110, trigger target positioning instruction.
Step 208, obtains camera and the relative position of instruction light source, and according to relative position mobile working platform, makes workpiece target navigate in the visual field of camera according to target positioning instruction.
Specifically, after operating platform 110 receives the target positioning instruction of triggering, operating platform 110 obtains camera 120 and the relative position of instruction light source 130, relative position can be specifically the distance indicating spot center on the view field image centralizing mapping of camera 120 point on work platforms 140 and work platforms 140, operating platform 110 is according to the relative position mobile working platform 140 got, by mobile working platform 140, the workpiece target at instruction hot spot place is moved to the field of view center place of camera 120, workpiece target is made to be positioned in the visual field of camera 120, make camera 120 to workpiece target imaging and show in visual field.
In the present embodiment, after obtaining instruction light open command, according to instruction light open command, instruction light is projected formation on work platforms and indicate hot spot, according to operational order, work platforms is operated, being operated by making to be fixed on the workpiece target of work platforms, to move to instruction hot spot place rower of going forward side by side fixed, being fixed on after on workpiece target by instruction cursor, work platforms is moved by the target positioning instruction according to receiving, and makes the workpiece target of demarcation navigate in the visual field of camera. So, higher in the multiplying power of narrow visual field camera, make under the premise that machining accuracy in the course of processing is higher, make instruction light that workpiece target to be demarcated by mobile working platform, after demarcating, according to the target positioning instruction mobile working platform received, the workpiece target of demarcation is navigated in the visual field of camera, make the process that workpiece target positions simpler and more direct, improve speed and the accuracy of target location, thus the quality that improve in laser processing procedure and efficiency.
As it is shown on figure 3, in one embodiment, step 206 specifically includes extracts the step of operating parameter in user operation instruction, specifically includes herein below:
Step 302, extracts the moving direction in user operation instruction and mobile step number.
Specifically, user operation instruction, after the user operation instruction receiving input, is resolved by operating platform 110, extracts the moving direction in user operation instruction and mobile step number. User can input the moving direction of mobile working platform 140 on operating platform 110 and move step number to generate user operation instruction.
Step 304, according to moving direction with mobile step number with default moving step pitch mobile working platform.
Specifically, being preset with the moving step pitch of mobile working platform 140 in operating platform 110, moving step pitch is that work platforms 140 moves the distance moved a step, and being operated by platform 110 can be adjusted moving step pitch.Extract the moving direction in user operation instruction at operating platform 110 and after mobile step number, work platforms 140 is moved according to mobile step number and moving step pitch to moving direction.
In the present embodiment, according to the moving direction in user operation instruction with mobile step number with default moving step pitch mobile working platform, avoiding displacement in moving process, excessive to cause that target positions inaccurate, improves the accuracy that in target position fixing process, work platforms moves.
As shown in Figure 4, in one embodiment, step 206 includes the detecting step of target navigation button, and this step specifically includes herein below:
Step 402, detects the operation to the target navigation button in operating platform after the workpiece target being fixed on work platforms moves to instruction hot spot place.
Step 404, when the operation to target navigation button being detected, triggers target positioning instruction.
Specifically, operating platform 110 is provided with target navigation button, when the workpiece target being fixed on work platforms 140 moves to instruction hot spot place, operating platform 110 detects the whether clicked operation of target navigation button, when detecting that target navigation button is clicked, then operating platform 110 triggers target positioning instruction.
In one embodiment, operating platform 110 is provided with touch screen, show operation interface on the touchscreen, operation interface is provided with target navigation button, obtain target navigation button coordinate range in operation interface, when having clicking operation in touch screen being detected, the point of extraction clicking operation coordinate in operation interface, relatively whether the coordinate of the point of clicking operation is in the coordinate range of target navigation button, if the coordinate of the point of clicking operation is in the coordinate range of target navigation button, then show that target navigation button is clicked, operating platform 110 triggers target positioning instruction.
In the present embodiment, after confirming that the workpiece target being fixed on work platforms moves to instruction hot spot place, the operation of detection target navigation button, when the operation of target navigation button being detected, trigger target positioning instruction, avoid the workpiece target being fixed on work platforms and be not moved to the situation of instruction hot spot place just triggering target positioning instruction, it is ensured that the accuracy of target location, thus improving the efficiency of target location.
As it is shown in figure 5, in one embodiment, step 208 includes the step according to move mobile working platform, and this step specifically includes herein below:
Step 502, obtains camera and the relative position of instruction light source according to target positioning instruction.
Specifically, after triggering target positioning instruction, operating platform 110 obtains camera 120 and the relative position of instruction light source 130. Camera 120 and instruction light source 130 can be specifically relatively-stationary, and the distance between camera 120 and instruction light source 130 is fixed range, with the fixed range between relatively-stationary camera 120 for relative position.
In one embodiment, step 502 specifically includes: extract the image center indicating hot spot and camera coordinate in work platforms coordinate system; According to the coordinate coordinates computed vector extracted, represent camera and the relative position of instruction light source with coordinate vector.
Specifically, setting up at operating platform 120 and have fixing plane coordinate system in the plane of work platforms 140, plane coordinate system does not change with the movement of work platforms 140. The image center of camera 120 and instruction hot spot position in plane coordinate system are fixing.Operating platform 120 extracts image center and the instruction hot spot coordinate in plane coordinate system of camera 120, calculate the coordinate vector from instruction hot spot to the image center of camera 120 according to the coordinate extracted, and represent camera 120 and the instruction light source 130 relative position in plane coordinate system with coordinate vector.
Step 504, generates work platforms move according to relative position.
Specifically, operating platform 110 adds the relative position extracted to work platforms move, and work platforms move is sent to work platforms 140.
Step 506, according to work platforms move mobile working platform.
Specifically, after work platforms 140 receives work platforms move, extract the camera 120 in move and the relative position of instruction light source 130, and the relative position according to camera 120 and instruction light source 130 moves so that the workpiece target being fixed on work platforms 140 moves in the visual field navigating to camera 120 from instruction hot spot.
In the present embodiment, by obtaining camera and the relative position of instruction hot spot, according to relative position mobile working platform, make the workpiece target being fixed on work platforms be accurately positioned in the visual field of camera, improve speed and the accuracy of the process of target location.
As shown in Figure 6, in one embodiment, thering is provided a kind of target positioner 600 based on Laser Processing board, this device specifically includes: open command acquisition module 602, instruction light opening module 604, operational order receiver module 606 and workpiece target locating module 608.
Open command acquisition module 602, is used for obtaining instruction light open command.
Instruction light opening module 604, for projecting formation instruction hot spot on work platforms according to instruction light open command by the instruction light of instruction light source generation.
Operational order receiver module 606, is used for receiving user operation instruction, according to user operation instruction mobile working platform, after the workpiece target being fixed on work platforms moves to instruction hot spot place, triggers target positioning instruction.
Workpiece target locating module 608, for obtaining camera and the relative position of instruction light source according to target positioning instruction, and according to relative position mobile working platform, makes workpiece target navigate in the visual field of camera.
In the present embodiment, higher in the multiplying power of narrow visual field camera, make under the premise that machining accuracy in the course of processing is higher, make instruction light that workpiece target to be demarcated by mobile working platform, after demarcating, according to the target positioning instruction mobile working platform received, the workpiece target of demarcation is navigated in the visual field of camera, make the process that workpiece target positions simpler and more direct, improve speed and the accuracy of target location, thus the quality that improve in laser processing procedure and efficiency.
As it is shown in fig. 7, in one embodiment, operational order receiver module 606 includes: operating parameter extraction module 606a and work platforms mobile module 606b.
Operating parameter extraction module 606a, is used for moving direction and the movement step number of extracting in user operation instruction;
Work platforms mobile module 606b, is used for according to moving direction and moves step number with default moving step pitch mobile working platform.
In the present embodiment, according to the moving direction in user operation instruction with mobile step number with default moving step pitch mobile working platform, avoiding displacement in moving process, excessive to cause that target positions inaccurate, improves the accuracy that in target position fixing process, work platforms moves.
As shown in Figure 8, in one embodiment, operational order receiver module 606 includes: navigation button detection module 606c and positioning instruction trigger module 606d.
Navigation button detection module 606c, for detecting operation to the target navigation button in operating platform after the workpiece target being fixed on work platforms moves to instruction hot spot place.
Positioning instruction trigger module 606d, for when the operation to target navigation button being detected, triggering target positioning instruction.
In the present embodiment, after confirming that the workpiece target being fixed on work platforms moves to instruction hot spot place, the operation of detection target navigation button, when the operation of target navigation button being detected, trigger target positioning instruction, avoid the workpiece target being fixed on work platforms and be not moved to the situation of instruction hot spot place just triggering target positioning instruction, it is ensured that the accuracy of target location, thus improving the efficiency of target location.
As it is shown in figure 9, in one embodiment, workpiece target locating module 608 includes: relative position acquisition module 608a, move generation module 608b and move perform module 608d.
Relative position acquisition module 608a, for obtaining camera and the relative position of instruction light source according to target positioning instruction.
Move generation module 608b, for generating work platforms move according to relative position.
Move performs module 608d, for according to work platforms move mobile working platform.
In the present embodiment, by obtaining camera and the relative position of instruction hot spot, according to relative position mobile working platform, make the workpiece target being fixed on work platforms be accurately positioned in the visual field of camera, improve speed and the accuracy of the process of target location.
As described in Figure 10, in one embodiment, it is provided that a kind of Laser Processing board 1000, Laser Processing board 1000 includes: operating platform 1002, camera 1004, instruction light source 1006 and work platforms 1008; Operating platform 1002 is connected with camera 1004, instruction light source 1006 and work platforms 1008 respectively.
Operating platform 1002 is used for receiving instruction light open command, and instruction light open command is sent to instruction light source 1006.
Specifically, in the course of processing of Laser Processing board 1000, user inputs instruction light open command on operating platform 1002, and the instruction light open command of input is sent to instruction light source 1006 by operating platform 1002.
Instruction light source 1006 opens instruction light according to instruction light open command, and instruction light projects 1008 formation instruction hot spot on work platforms.
Specifically, operating platform 1002 is after receiving instruction light open command, instruction light source 1006 performs to open the operation of instruction light, instruction light source 1006 launches instruction light beam, instruction light beam is vertical with work platforms, instruction light beam is projected on work platforms 1008 by instruction light source 1006, forms instruction hot spot on work platforms 1008.
Operating platform 1002 is additionally operable to receive user operation instruction, and user operation instruction is sent to work platforms 1008.
Specifically, user inputs user operation instruction in operating platform 1002, and the user operation instruction of input is sent to work platforms 1008 by operating platform 1002.
Work platforms 1008, for moving according to user operation instruction, makes the workpiece target being fixed on work platforms move to instruction hot spot place.
Specifically, processing work is fixed on work platforms, using processing work as workpiece target. Work platforms 1008 moves according to the user operation instruction received, and by mobile, the workpiece target being fixed on work platforms 1008 is moved to instruction hot spot place, makes instruction dot projection to workpiece target.Operating platform 1002 is additionally operable to, after the workpiece target being fixed on work platforms 1008 moves to instruction hot spot place, trigger target positioning instruction, and target positioning instruction is sent to work platforms 1008.
Specifically, after the workpiece target being fixed on work platforms 1008 moves to instruction hot spot place, user triggers target positioning instruction on operating platform 1002, and target positioning instruction is sent to work platforms 1008 by operating platform 1002.
Work platforms 1008 is additionally operable to obtain camera and the relative position of instruction light source according to target positioning instruction, and moves according to relative position, makes workpiece target navigate in the visual field of camera 1004.
Specifically, after work platforms 1008 receives target positioning instruction, work platforms 1008 obtains camera 1004 and the relative position of instruction light source 1006, relative position can be specifically the distance indicating spot center on the view field image centralizing mapping of camera 1004 point on work platforms 1008 and work platforms 1008, work platforms 1008 moves according to the relative position got, the workpiece target at instruction hot spot place to be moved to the field of view center place of camera 1004, workpiece target is made to be positioned in the visual field of camera 1004, make camera 1004 to workpiece target imaging and show in visual field.
In the present embodiment, above-mentioned Laser Processing board, after operating platform receives instruction light open command, indicate light source according to indicating light open command that instruction light projects formation hot spot on work platforms, the user operation instruction that work platforms receives according to operating platform moves, the workpiece target being fixed on work platforms is made to move to instruction hot spot place, after operating platform triggers target positioning instruction, work platforms obtains camera and the relative position of instruction light source according to target positioning instruction, move according to relative position, workpiece target is made to navigate in the visual field of camera. on Laser Processing board, higher in the multiplying power of narrow visual field camera, in the course of processing, when the high magnification of narrow visual field camera can improve machining accuracy, the process of workpiece target location is simpler and more direct, improve speed and the accuracy of target location, thus the quality improved in laser processing procedure and efficiency. .
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1., based on a target localization method for Laser Processing board, described method includes:
Obtain instruction light open command;
According to described instruction light open command, the instruction light that instruction light source produces is projected formation on work platforms and indicate hot spot;
Receive user operation instruction, move described work platforms according to described user operation instruction, after the workpiece target being fixed on described work platforms moves to described instruction hot spot place, trigger target positioning instruction;
Obtain the relative position of camera and described instruction light source according to described target positioning instruction, and move described work platforms according to described relative position, make described workpiece target navigate in the visual field of described camera.
2. method according to claim 1, it is characterised in that described move described work platforms according to described user operation instruction, including:
Extract the moving direction in described user operation instruction and mobile step number;
Described work platforms is moved with default moving step pitch according to described moving direction and described mobile step number.
3. method according to claim 1, it is characterised in that described after the workpiece target being fixed on described work platforms moves to described instruction hot spot place, triggers target positioning instruction, including:
Detect the operation to the target navigation button in operating platform after the workpiece target being fixed on described work platforms moves to described instruction hot spot place;
When the operation to described target navigation button being detected, trigger target positioning instruction.
4. method according to claim 1, it is characterised in that the described relative position obtaining camera and described instruction light source according to described target positioning instruction, and move described work platforms according to described relative position, including:
The relative position of camera and described instruction light source is obtained according to described target positioning instruction;
Work platforms move is generated according to described relative position;
Described work platforms is moved according to described work platforms move.
5. method according to claim 4, it is characterised in that the described relative position obtaining camera and described instruction light source according to described target positioning instruction, including:
Extract the image center of described instruction hot spot and the camera coordinate in work platforms coordinate system;
According to the coordinate coordinates computed vector extracted, represent described camera and the relative position of described instruction light source with described coordinate vector.
6. the target positioner based on Laser Processing board, it is characterised in that described device includes:
Open command acquisition module, is used for obtaining instruction light open command;
Instruction light opening module, indicates hot spot for the instruction light that instruction light source produces being projected formation on work platforms according to described instruction light open command;
Operational order receiver module, is used for receiving user operation instruction, moves described work platforms according to described user operation instruction, after the workpiece target being fixed on described work platforms moves to described instruction hot spot place, triggers target positioning instruction;
Workpiece target locating module, for obtaining the relative position of camera and described instruction light source according to described target positioning instruction, and moves described work platforms according to described relative position, makes described workpiece target navigate in the visual field of described camera.
7. device according to claim 6, it is characterised in that described operational order receiver module includes:
Operating parameter extraction module, is used for moving direction and the movement step number of extracting in described user operation instruction;
Work platforms mobile module, for moving described work platforms according to described moving direction and described mobile step number with default moving step pitch.
8. device according to claim 6, it is characterised in that described operational order receiver module includes:
Navigation button detection module, for detecting after the workpiece target being fixed on described work platforms moves to described instruction hot spot place the operation to the target navigation button in operating platform;
Positioning instruction trigger module, for when the operation to described target navigation button being detected, triggering target positioning instruction.
9. device according to claim 6, it is characterised in that described workpiece target locating module includes:
Relative position acquisition module, for obtaining the relative position of camera and described instruction light source according to described target positioning instruction;
Move generation module, for generating work platforms move according to described relative position;
Move performs module, for moving described work platforms according to described work platforms move.
10. a Laser Processing board, it is characterised in that including: operating platform, camera, instruction light source and work platforms; Described operating platform is connected with described camera, instruction light source and work platforms respectively;
Described operating platform is used for receiving instruction light open command, and described instruction light open command is sent to described instruction light source;
Described instruction light source opens instruction light according to described instruction light open command, and described instruction light projects formation instruction hot spot on work platforms;
Described operating platform is additionally operable to receive user operation instruction, and described user operation instruction is sent to described work platforms;
Described work platforms, for moving according to described user operation instruction, makes the workpiece target being fixed on described work platforms move to described instruction hot spot place;
Described operating platform is additionally operable to after the workpiece target being fixed on work platforms moves to described instruction hot spot place, triggers target positioning instruction, and described target positioning instruction is sent to described work platforms;
Described work platforms is additionally operable to obtain the relative position of camera and described instruction light source according to described target positioning instruction, and moves according to described relative position, makes described workpiece target navigate in the visual field of described camera.
Priority Applications (1)
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